Slow Cooker Mongolian Beef Recipe [VIDEO] The Recipe Rebel (2024)

The Recipe Rebel / Dinner

written by Ashley Fehr

4.95 from 52 votes

Prep Time 5 minutes mins

Total Time 3 hours hrs 5 minutes mins

Servings 6 servings

Jump to Recipe

Last updated on January 26, 2024

Slow Cooker Mongolian Beef is so much better than your average take-out! Tender strips of steak are smothered in a rich, dark, flavorful Asian sauce that’s got just the right touch of sweetness. The best part? It’s so easy to make by tossing everything in a slow cooker!

Craving more of your take-out favorites? Check out more easy recipes like Sweet and Sour Pork, One Pot Chicken Chow Mein and Vegetable Lo Mein.

Slow Cooker Mongolian Beef Recipe [VIDEO] The Recipe Rebel (2)

Table of Contents

  • Why we love it:
  • Ingredients Needed for Slow Cooker Mongolian Beef
  • How to make Slow Cooker Mongolian Beef
  • Variations and Substitutions
  • How to store Mongolian Beef
  • Can I freeze Mongolian beef?
  • Do I have to sear the steak first?
  • Serving suggestions:
  • {Slow Cooker} Mongolian Beef Recipe

You could order takeout, but in my opinion (and the opinion of the reviewers down below!), this Slow Cooker Mongolian Beef is easier, tastier and healthier!

That’s why I rely on recipes like this easy slow cooker Mongolian beef when the craving strikes! Everything gets tossed into the Crockpot and cooked to perfection in just a few hours.

It’s easy, made with real ingredients, and the results are always so good.

Why we love it:

  • Protein-packed: If you need to get that extra protein fix in for the day, this is a great dinner to make! Steak always hits the spot (especially if you ask my husband 😉).
  • Fresh ingredients: Let’s face it… Most take-out joints don’t offer the freshest flavors. With ingredients like fresh chopped bell peppers and minced garlic, you’ll get the best textures and flavors in every bite.
  • So easy: Yes! I love whipping out my slow cooker for a lot of reasons, namely because it just makes life so much easier.

Elizabeth says, “⭐️⭐️⭐️⭐️⭐️ I have made this many times as my husband loves it, I do as well 🥰. It’s such an easy recipe to pull together on a busy day, the slow cook produces a delicious meal.”

Crista says, “⭐️⭐️⭐️⭐️⭐️ Fantastic recipe. Quick, easy and my family loved it! Will be making again.”

Ingredients Needed for Slow Cooker Mongolian Beef

Slow Cooker Mongolian Beef Recipe [VIDEO] The Recipe Rebel (3)
  • Steak – Sirloin is my favorite cut to use when making Mongolian beef. It’s relatively inexpensive and because we’re slow cooking it, we can get away with a leaner steak.
  • Soy Sauce – Low-sodium soy sauce is preferred. Tamari or coconut aminos will also get the job done.
  • Apricot Jam – This adds a subtle, natural touch of sweetness that just can’t be beat!
  • Hoisin Sauce – This dark, thick, rich sauce adds both saltiness and sweetness to the dish.
  • Cornstarch – This is used to thicken the sauce. Measure with care!
  • Veggies – Freshly sliced onions and bell peppers add just the right amount of crisp, fresh texture and flavor to this savory dish.
  • Garlic and ginger – For the best flavor and aroma, make sure both of these ingredients are fresh!

How to make Slow Cooker Mongolian Beef

Take a quick look at these photos to see how we make Mongolian beef in the slow cooker! Keep scrolling for more in-depth instructions and ingredients in the recipe card.

  • Sear the steak in a skillet over high heat with a little oil.
  • Whisk together the apricot jam, soy sauce, hoisin, garlic, ginger and cornstarch.
Slow Cooker Mongolian Beef Recipe [VIDEO] The Recipe Rebel (4)
Slow Cooker Mongolian Beef Recipe [VIDEO] The Recipe Rebel (5)
  • Add the steak and veggies to the Crockpot.
  • Cover and cook on low for 2-3 hours.
Slow Cooker Mongolian Beef Recipe [VIDEO] The Recipe Rebel (6)
Slow Cooker Mongolian Beef Recipe [VIDEO] The Recipe Rebel (7)

Variations and Substitutions

  • Swap the steak: Sirloin is my favorite steak to use, but you can use really any other cut of steak that you prefer! The low and slow cooking process will turn any cut of steak into a tender masterpiece.
  • Add more vegetables: You can make this dinner as nutritious as you’d like! Feel free to toss in some broccoli, mushrooms, green beans, or whatever else sounds good to you.
  • Make it spicy: Sprinkle in some crushed red pepper flakes if you’re craving some heat. You can also mix in some chili garlic sauce to spice things up!
  • Add the peppers and onions whenever: If you don’t like your peppers and onions soft, feel free to just toss them in for the last hour – I put mine in for the whole cooking time. Do whatever works for you, and whatever your family prefers.

How to store Mongolian Beef

Once it cools to room temperature, you can store any leftovers you have in an airtight container in the fridge for 2-3 days. To reheat, add a splash of water or broth and pop it in the microwave for 30 seconds at a time, stirring each time it stops, until heated all the way through.

You can also add a splash of liquid and reheat it on the stovetop.

Slow Cooker Mongolian Beef Recipe [VIDEO] The Recipe Rebel (8)

Can I freeze Mongolian beef?

Yes! Let cool fully to room temperature, then transfer everything to a freezer-safe airtight container. Freeze for up to 3 months

When you’re ready to enjoy the Mongolian beef, you can let it thaw in the fridge, or place it in a large skillet with a splash of water or broth. Cover and heat on low until warmed through.

Keep in mind that the vegetables will be quite soft after freezing, so you may want to leave them out until you are ready to serve.

Do I have to sear the steak first?

I personally prefer to sear the steak first so the juices don’t water down the sauce too much. However, you can save yourself a little effort and cleaning by just tossing the steak directly into the Crockpot (this is how I made this recipe originally!).

Slow Cooker Mongolian Beef Recipe [VIDEO] The Recipe Rebel (9)

Serving suggestions:

Serve Mongolian beef over this baked rice or the noodles of your choice. You want something to catch all of that amazing sauce so not a single drop goes to waste!

I love serving with something green like these Roasted Green Beans or this Air Fryer Broccoli.

Slow Cooker Mongolian Beef Recipe [VIDEO] The Recipe Rebel (10)

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{Slow Cooker} Mongolian Beef

written by Ashley Fehr

4.95 from 52 votes

Slow Cooker Mongolian Beef is so much better than your average take-out! Tender strips of steak are smothered in a rich, dark, flavorful Asian sauce that's got just the right touch of sweetness. The best part? It's so easy to make by tossing everything in a slow cooker!

Slow Cooker Mongolian Beef Recipe [VIDEO] The Recipe Rebel (12)

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Review

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Prep Time 5 minutes mins

Cook Time 3 hours hrs

Total Time 3 hours hrs 5 minutes mins

Cuisine American

Course Main Course

Servings 6 servings

Calories 369cal

Ingredients

  • 1 tablespoon oil
  • 1 ½ lbs steak (sliced very thin) I often use sirloin
  • salt and pepper
  • ½ medium onion (thinly sliced)
  • 1 red pepper (thinly sliced)
  • ¾ cup water
  • ½ cup apricot jam
  • cup low sodium soy sauce
  • cup hoisin sauce
  • 1 tablespoon minced garlic (about 3-4 cloves)
  • 1 teaspoon minced ginger
  • 2 tablespoons corn starch

Instructions

  • Heat a large skillet over high heat and add the oil.

  • Add the steak strips and sear on each side, about 1-2 minutes per side (you may have to do this in two batches to avoid crowding the pan).

  • Add the seared steak, peppers and onions to the slow cooker.

  • Whisk together water, jam, soy sauce, hoisin sauce, garlic, ginger and corn starch. Pour over steak in slow cooker.

  • Cover and cook on low for 2-3 hours, until tender and the sauce has thickened. Serve over rice or noodles.

Notes

Ingredients and Substitutions:

  • Steak: you can use almost any kind of steak in this recipe, since the slow cooker makes it nice and tender. I prefer to use sirloin, because it’s a mid-range steak that’s not too lean or too fatty.
  • Vegetables: feel free to swap the onions and peppers for vegetables you enjoy or add in more. Green beans, green peppers, mushrooms or broccoli would also be great in here!
  • Sauce:this sauce is a little sweet, savory and tangy. You can take things up a notch by adding a pinch of red pepper flakes for heat. You can also taste and adjust the seasonings before serving.

Can I just through everything in the crockpot?

Yes! In fact, this is how this recipe was originally written. Now, I prefer to brown the meat so that the juices don’t water down the sauce quite as much. You can save yourself a dirty skillet if you toss the uncooked steak in with the sauce, though it will take about the same amount of time to cook.

Nutrition Information

Serving: 177grams | Calories: 369cal | Carbohydrates: 26g | Protein: 25g | Fat: 19g | Saturated Fat: 7g | Polyunsaturated Fat: 2g | Monounsaturated Fat: 9g | Trans Fat: 0.01g | Cholesterol: 70mg | Sodium: 828mg | Potassium: 456mg | Fiber: 1g | Sugar: 14g | Vitamin A: 680IU | Vitamin C: 29mg | Calcium: 30mg | Iron: 3mg

Keywords mongolian beef

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Slow Cooker Mongolian Beef Recipe [VIDEO] The Recipe Rebel (13)

Meet Ashley

My name is Ashley Fehr and I love creating easy meals my family loves. I also like to do things my way, which means improvising and breaking the rules when necessary. Here you will find creative twists on old favorites and some of my favorite family recipes, passed down from generations!

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Reader Interactions

Comments

  1. Kristen says

    Can you make this without a crock pot ?

    Reply

    • The Recipe Rebel says

      Hi Kristen, you probably could use a dutch oven and cook it on the stovetop. I have not tested it this way, so it would be an experiment. If you give it a try, let me know how it goes!

      Reply

  2. Kathy says

    This sounds delicious & convenient for an easy make-ahead dinner, but am confused about the cook time. The cook time listed at the top of the recipe indicates 5 hrs 5 min.. but the instructions indicate 2-3 hrs. Please advise. Thanks – always enjoy your recipes!

    Reply

    • The Recipe Rebel says

      Hi Kathy, we are seeing the 3 hrs 5 mins on our end for the total time. Could you please check again? Enjoy!

      Reply

  3. Melanie Helman says

    So good!! Thank you for a great dinner recipe!

    Reply

      • Lane says

        Can you do this with a larger steak or roast and cook all day on low? It sounds amazing! I’m just looking for something I can cook while I’m at work.

      • The Recipe Rebel says

        Hi Lane, would the intent be to leave it whole?

  4. Emily says

    Hi when do I incorporate the water to the recipe?

    Reply

    • The Recipe Rebel says

      Hi Emily! Oops, thanks for catching that. In Step 4.

      Reply

  5. Donna says

    This recipe is delicious, didn’t use the apricot jam my husband does not like anything sweet. This still turned out great

    Reply

    • The Recipe Rebel says

      Hi Donna! So glad you enjoyed the recipe! Thank you for this kind review!

      Reply

  6. Janet ayers says

    Awesome recipe…so easy and delicious..my family loves it..in fact I’ve made it many times over the last couple of and yes i have doubled the meat without doubling doubling the sauce and it was still enough sauce. .years…

    Reply

    • The Recipe Rebel says

      Hi Janet! So glad you enjoyed the recipe! Thank you for this kind review!

      Reply

  7. Janet Lee Thomas says

    I myself have not only tried this particular recipe.I actually made it & remembered making this & many other crockpot meals I had made many years ago.Thank you for the best way on earth too rap up a Hearty Family Meal what a treat this is gonna be.

    Reply

    • The Recipe Rebel says

      Hope you give it a try Janet!

      Reply

  8. Daphne N Whetstine says

    wHAT IS HOISIN SAUCE PLEASE,i’VE NEVER HEARD OF IT

    Reply

    • The Recipe Rebel says

      Hi Daphne, it’s just a sauce you can typically find in the Asian aisle of the grocery store or in an Asian grocery store. Enjoy!

      Reply

  9. Heidi Patton says

    This was great. However, just a personal experience, I used high setting on my crockpot, it was done in 3 hours in an 8 quart size crockpot (used serving for 8 size ingredients). I added the peppers and onions in the last hour, still overcooked. You don’t recommend adding any salt or pepper to this recipe. Lastly, I think adding pineapple would have made this really sing! I will defintely use this recipe again, with subtle changes. Thanks!

    Reply

    • The Recipe Rebel says

      Hi Heidi! Glad it worked for you! Thanks!

      Reply

  10. Hailee says

    Can you use flour to thicken?
    I don’t have corn stretch at the moment !?

    Reply

    • Hailee says

      Starch *

      Reply

    • The Recipe Rebel says

      Hi Hailee! I believe you could. Let me know how it goes if you decide to try it!

      Reply

  11. Sally says

    This recipe looks delicious!! Do you know if it freezes well after cooking?

    Reply

    • Ashley Fehr says

      I haven’t tried, but I think it would work great!

      Reply

      • Elizabeth says

        I have made this many times as my husband loves it, I do as well 🥰. It’s such an easy recipe to pull together on a busy day, the slow cook produces a delicious meal.

      • The Recipe Rebel says

        Great to hear! Thank you Elizabeth!

  12. Crista says

    Fantastic recipe. Quick, easy and my family loved it! Will be making again.

    Reply

    • Ashley Fehr says

      Thanks Crista!

      Reply

  13. Cindy says

    If I double the amount of beef, do I double the sauce too? I know crock pots are tricky with liquid…

    Reply

    • Ashley Fehr says

      Yes, I would definitely double the sauce!

      Reply

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Slow Cooker Mongolian Beef Recipe [VIDEO] The Recipe Rebel (2024)

FAQs

Why is my slow cooker beef really tough? ›

Add Just Enough Liquid

If you want the dish to be saucy, or you're making a beef stew, add enough liquid to come about 1/3 of the way up on the meats in the slow cooker. This allows your meat to braise, not boil. Boiling creates tough meat!

What is the secret to slow cooking meat? ›

Avoid overcrowding: For the best results, fill a slow cooker between one-half and two-thirds full. Go ahead and cook big roasts and whole chickens; just make sure you use a large crock and that the lid fits snugly on top. Trim fat: For silky sauces and gravies, take a minute or two and cut the excess fat from the meat.

What does browning meat before slow cooking do? ›

Slow cooker recipes don't always instruct you to brown meat before adding it to the pot, but there are some advantages to doing so. If you sear meat to a crusty brown with a little oil in a hot skillet, the meat develops more complex flavors and improves the dish.

What makes slow cooked meat tender? ›

So how does slow cooking tenderize? Broth, water, or juices are always added along with the meat. The moist heat they provide softens the connective tissue that binds the muscle fibers in the meat, helping it to fall apart more easily.

Why is my beef still tough after 8 hours in a slow cooker? ›

“Beef may be tough in the slow cooker if you haven't added enough liquid, or haven't cooked it for long enough,” Kristen Carli, M.S., R.D., owner of Camelback Nutrition & Wellness, tells SELF. “For cuts of meat, the fattier cuts are often the ones that get juicy and tender.

Does beef get softer the longer you slow cook it? ›

Your meat will be juicier and more tender

The longer cooking time and the low heat complement each other perfectly. As a result, even though the meat is cooked for far longer, it doesn't dry out because the temperature is low. As a result, this is the best way to retain all the natural juices of the meat.

Do potatoes go on top or bottom of meat in a crockpot? ›

Slow cooker recipes have (obviously) long cook times, and it's the meat—not the carrots—that benefit from it. By placing the protein at the bottom (closest to the heating element), and vegetables at the top, you can keep your plant parts a little more toothsome, while ensuring your meat is fall-apart tender.

Do I need to sear beef before putting in a slow cooker? ›

"Browning, or caramelizing, meat before putting it into a slow cooker isn't 100 percent necessary, but it is well worth the effort for the most flavorful and full-bodied end result," he says. "The caramelized surface of the meat will lend rich flavor and color to the finished dish."

What is the best meat to cook in a slow cooker? ›

What Are the Best Meats for Slow Cooking?
  1. Pork Shoulder. Slow Cooker Texas Pulled Pork. ...
  2. Beef Chuck Roast. Slow Cooker Beef Pot Roast. ...
  3. Lamb Shanks. Rosemary Braised Lamb Shanks. ...
  4. Beef Short Ribs. Short Ribs Braised with Mushrooms and Tomatoes.
Sep 9, 2020

Should you stir a slow cooker? ›

Should I stir ingredients in my Crockpot slow cooker while they're cooking? Although you may be tempted, resist the urge to check on the ingredients during the cooking process! Lifting the lid allows heat and steam to escape, which will cause you to have to increase the cooking time.

Should you flip meat in a slow cooker? ›

Should I Flip My Roast In The Slow Cooker?: There is no need to flip meat in a crock pot. In fact, I don't recommend trying it because it will be more hassle than it's worth.

Can you slow cook beef without browning it first? ›

You can add beef to the slow cooker without browning. Searing it in a hot pan to create a caramelised crust is not necessary but can make a richer flavour. Simply add the meat to your slow cooker with aromatics, stock and sauces and cook either on High for 4-5 hours or on Low for 5-8 hours.

Can you overcook beef in a slow cooker? ›

While slow cooker recipes are designed to cook for extended periods of time, they can still become overcooked if left on the wrong setting for too long. In general, it's best to stick to the indicated cook time on the recipe you're following.

How do restaurants get their meat so tender? ›

Baking soda (Sodium bicarbonate). If you find the meat has a spongy texture aside from being very tender, then very likely the restaurant put baking soda (Sodium bicarbonate) in the marinade. The sodium in baking soda chemically reacts with the meat and make the meat very tender and soft.

Is it better to slow cook on high or low? ›

Certainly, foods will cook faster on high than on low. However, for all-day cooking or for less-tender cuts, you may want to use the low setting. It's safe to cook foods on low the entire time -- if you're leaving for work, for example, and preparation time is limited.

What to do if beef is tough after cooking? ›

Your overcooked steak is tough and chewy because of a lack of its natural liquid and fat, so here are some ways to infuse liquids and fats into your steak. Covering your overcooked steak with a thick sauce or gravy will help balance out the dryness and make up for its lack of flavor. Preferably, the sauce is also warm.

How do you cook beef so it doesn't get tough? ›

To cook it until it's so tender it falls apart, you'll need to choose a joint like chuck and blade or beef brisket and either braise, slow roast or slow cook it for at least a couple of hours.

Why is my beef not softening? ›

Two options really, either it is really a poor cut of beef, or more likely it hasn't been cooked for long enough. Usually 3 hours in the oven in a casserole dish at 180C/350F should make any cut of beef tender. The beef may not have aged enough.

Why is my slow cooker beef stew not tender? ›

Not cooking the stew long enough.

Chuck meat is your best bet for beef stew, but it's also a pretty tough cut so it needs time to break down and become tender. Rush the cooking process and the beef will be tough and chewy. Follow this tip: For really tender meat, cook the stew low and slow, for approximately two hours.

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