Slow Cooker Mongolian Beef - The Recipe Critic (2024)

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Tender pieces of flank steak are slow-cooked in the tastiest sweet and savory sauce. This slow cooker Mongolian beef is melt-in-your-mouth perfection and bursting with flavor. Quick and easy to prepare and one of our favorite slow cooker meals!

If you love restaurant Mongolian Beef, this super easy make-at-home rendition will be your new favorite dinner. Serve over this easy fried rice for a complete meal. And if you really want to wow your guests, egg rolls and vegetable stir-fry on the side would be amazing!

Slow Cooker Mongolian Beef - The Recipe Critic (1)

Slow Cooker Mongolian Beef

Mongolian beef made in the slow cooker is life-changing! Slow cooking the beef ensures that it’ll be delicate and succulent. This slow cooker Mongolian beef recipe is an explosion of flavors in every bite! Garlic, soy sauce, and brown sugar come together to create a caramelized sauce that coats the tender juicy pieces of steak.

This is hands down one of the BEST dinners that I have ever made. My family couldn’t get enough of it! It’s so easy to make restaurant-worthy meals for the family at home. If you love this slow cooker Mongolian beef recipe then I can’t wait for you to try more of our favorites. Make this sweet and sour chicken, these lettuce wraps, of this incredible bang bang chicken.

Mongolian Beef Ingredients

Slow cooker Mongolian beef is SO easy to make with minimal ingredients. The ingredients are simple, but the outcome is incredible! Your dinner is prepped and ready to go in under 10 minutes!

  • Flank Steak:Sirloin can be substituted here but avoid stew meat.
  • Corn Starch: This acts as a natural tenderizer for the beef.
  • Olive Oil: Use canola oil if you’d rather.
  • Garlic: Minced or chopped will give the most flavor.
  • Soy Sauce: Either low-sodium soy sauce or coconut aminos can be used here.
  • Water: This will help make it saucy.
  • Brown Sugar:Light or dark brown sugar is both great in the sauce.
  • Carrots: Grate a carrot or instead use pre-shredded carrots.
  • Green Onions and Sesame Seeds: Optional garnish, but make a stunning topping.

How to Make Mongolian Beef in a Slow Cooker

The beef literally just melts in your mouth! You can always count on the slow cooker for tender beef. The tasty sauce clings to the cornstarch-coated steak and every bite is bursting with flavor. See the recipe card below for exact measurements.

  1. Cut and Coat: Cut the flank steak thinly and across the grain to ensure a tender bite. Place the steak in a ziplock bag with the cornstarch then shake to coat. Make sure to coat the beef evenly.
  2. Add ingredients to the Slow Cooker:Mix the oil, garlic, soy sauce, water, brown sugar, and carrots in the slow cooker.
  3. Coat the Beef: Stir the beef into the slow cooker making sure it’s well-coated
  4. Cook:Set on high for 2-3 hours or on low for 4-6 hours.
  5. Garnish and Enjoy: Garnish with chopped green onion and sesame seeds for added flavor and texture then enjoy over rice!
Slow Cooker Mongolian Beef - The Recipe Critic (2)

Tips and Variations

Everything about this Mongolian recipe is perfect, and I know that it will become a family favorite at your house just like it did at ours! Here are some ideas and variations to make it your own! I also included instructions for making it in the instant pot when you’re short on time!

  • Slicing the Beef:When slicing the flank steak make sure to slice it against the grain. I like to slice mine about 1/4 inch thick.
  • Veggies: Roast broccoli, green beans or red bell pepper then stir in before serving. Vegetables add texture and nutrition.
  • Instant Pot:This easily converts to a quick Instant Pot recipe. Saute the steak on high until browned. Add the sauce ingredients and cook on “Manual” for 10 minutes. Lastly, quick release the pressure and enjoy!
Slow Cooker Mongolian Beef - The Recipe Critic (3)

How to Store Leftovers

Store any leftover Mongolian beef you may have, because it’s great for heating up and enjoying later! I like to make a little extra rice as well for a quick lunch that’s super satisfying!

  • In the Refrigerator:Place leftovers in a sealed container for up to 4 days.
  • In the Freezer:Once cooled, store leftovers in an air-tight container or freezer ziplock bag for up to 4 months. Thaw in the refrigerator before rewarming.
  • To Reheat: Place leftovers in a microwave-safe bowl then heat for 1-2 minutes or until warmed through.
Slow Cooker Mongolian Beef - The Recipe Critic (4)

More Savory Slow Cooker Recipes

Slow cooker dinners always save the day! They’re easy and SO delicious. Everyone loves coming home to a warm home-cooked dinner. Try some of our favorites this week for dinner. You’ll love them all!

Slow Cooker

Crockpot Salisbury Steak

3 hrs 20 mins

Side Dishes

Crockpot Green Beans

3 hrs 5 mins

Dinner

Slow Cooker Kalua Pulled Pork

16 hrs 5 mins

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Slow Cooker Mongolian Beef

4.69 from 64 votes

By: Alyssa Rivers

Tender pieces of flank steak are slow cooked in the tastiest sweet and savory sauce. This slow cooker Mongolian beef is melt-in-your-mouth perfection and bursting with flavor. Quick and easy to prepare and one of our favorite slow cooker meals!

Prep Time: 10 minutes minutes

Slow Cooker: 4 hours hours

Total Time: 4 hours hours 10 minutes minutes

Servings: 6 Servings

Ingredients

Instructions

  • Cut flank steak into thin strips. In a ziplock bag add flank steak pieces and cornstarch. Shake to coat.

  • In a medium-sized bowl, add the olive oil, minced garlic, soy sauce, water, and brown sugar. Whisk to combine and add to the slow cooker.

  • Add the grated carrots and coated flank steak to the slow cooker and stir until coated in the sauce.

  • Cover and cook on high for 2-3 hours or on low for 4-5 hours.

  • Serve over rice and garnish with green onions and sesame seeds.

Video

Notes

Updated on November 08, 2023

Originally Posted on August 17, 2015

Nutrition

Calories: 348kcalCarbohydrates: 36gProtein: 28gFat: 10gSaturated Fat: 3gPolyunsaturated Fat: 1gMonounsaturated Fat: 6gCholesterol: 68mgSodium: 1705mgPotassium: 555mgFiber: 1gSugar: 28gVitamin A: 3564IUVitamin C: 1mgCalcium: 61mgIron: 3mg

Nutrition information is automatically calculated, so should only be used as an approximation.

Additional Info

Course: Dinner, Main Course

Cuisine: Asian American

Tried this recipe?Mention @alyssa_therecipecritic or tag #therecipecritic!

About Alyssa Rivers

Alyssa Rivers is the author of 'The Tried and True Cookbook, a professional food photographer and experienced recipe-developer. Having a passion for cooking, her tried and true recipes have been featured on Good Morning America, Today Food, Buzzfeed and more.

Read More About Me

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Slow Cooker Mongolian Beef - The Recipe Critic (2024)

FAQs

Why is Mongolian beef so tender? ›

This is the KEY ingredient to super tender beef. Baking soda is commonly used in Chinese cooking to tenderize beef. If you're curious about the science behind it – baking soda neutralizes acid and raises the pH level, which causes the meat to become more alkaline.

What is Mongolian beef sauce made of? ›

Our recipe for Mongolian beef sauce includes oyster sauce, soy sauce, tamari soy sauce (as a replacement for dark soy sauce), chili sauce, sugar, and cooking wine. Check the ingredient list to see precise amounts. Don't forget that you can scale the recipe up and down!

Can you use skirt steak in a slow cooker? ›

You will be addicted to this Crockpot Skirt Steak. The flavors are unreal and it takes 2 minutes to prep — pretty much guaranteed to enter into your dinner rotation. You can swap the skirt steak for flank steak & use the same seasoning, also delicious.

Is Mongolian beef from Mongolia? ›

Despite its name, the dish has nothing to do with Mongolian cuisine. Mongolian beef is among the meat dishes developed in Taiwan where Mongolian barbecue restaurants first appeared. Thus, none of the ingredients or the preparation methods are drawn from traditional Mongolian cuisine but rather from Chinese cuisine.

How do Chinese get their beef so tender? ›

While there are several ways to velvet, a pound of meat needs about two teaspoons of cornstarch and two teaspoons of oil, says Leung. You may also include two to three tablespoons of water. For beef, add a 1/4-teaspoon of baking soda for tenderizing. Additional seasonings are optional and vary from recipe to recipe.

How do Chinese restaurants get their meat so tender? ›

How is it that these restaurants can get the meat to be so soft and moist no matter how much they are cooking and for different recipes? It all starts with tenderizing the meat with baking soda and water that is massaged into the thinly sliced meat. It is then left to marinate for about an hour or two before cooking.

What is a substitute for cornstarch in Mongolian beef? ›

Cornstarch: Cornstarch is used as a thickening agent in many Asian dishes. It gives the Mongolian beef its signature glossy, thick sauce. If you can't find cornstarch, use flour instead, but it may not provide the same clear, glossy finish.

What is the difference between Mongolian beef and Chinese beef? ›

Region of Origin: Szechuan Beef originates from the Sichuan province of China, while Mongolian Beef is inspired by the cuisine of Mongolia. Ingredients: Szechuan Beef incorporates Szechuan peppercorns, chili peppers, and peanuts, whereas Mongolian Beef features brown sugar, hoisin sauce, and scallions.

What is the secret ingredient in stir fry beef? ›

But this beef is nothing short of crazy tender and flavorful from one simple step of coating your beef in a little soy and cornstarch before stir frying. Here's how it works: soy sauce: the salt in the soy sauce helps break down the proteins for a more tender texture and infuses the steak with flavor.

Can you overcook steak in a slow cooker? ›

The low setting is important so you don't overcook it, potentially leaving you with a dry or tough meal. If you're wondering how long your meat will take to cook in a crock pot, we recommend consulting Crockpot's cook time guide for guidance.

Do you brown steak before putting in crockpot? ›

While this hands-off, low-effort method will produce delicious results, it is worth adding one additional (straightforward) step when you're slow-cooking beef. Before putting the meat in the slow cooker, brown it in a skillet for a few extra minutes.

What steak is best for slow cooker? ›

Here are the very best beef cuts to keep on hand to slow cook:
  • Chuck steak.
  • Round steak.
  • Blade steak.
  • Topside.
  • Silverside.
  • Skirt steak.
  • Shin (gravy) beef.
  • Sausages.

Is Mongolian beef unhealthy? ›

In conclusion, Mongolian beef can be a healthy and nutritious dish when prepared with the right ingredients and cooking methods. It's a good source of protein, iron, zinc, and various vitamins and minerals.

What is the difference between Mongolian beef and Szechuan beef? ›

Mongolian Beef can be described as having a savory soy-based sauce with scallions as its main aromatic. Szechuan Beef has a similar soy sauce-based profile but with the addition of a spicy element, such as fresh or dried chilis and/or Sichuan peppercorns for a numbing sensation.

What does PF Chang's Mongolian beef taste like? ›

Usually when we go to PF Chang's, I am all about the Kung Pao Scallops, but Mongolian Beef is also a favorite of mine. Crispy but tender pieces of beef coated in a thick, sweet and a little salty sauce. It's almost like eating beef candy! Add some red pepper flakes if you want to balance the sweetness with some heat.

What is the secret ingredient to tenderize meat? ›

Whether hosting a holiday cookout, serving up some stir-fry or tackling game meats, baking soda is the go-to meat tenderizer to help make your steak, chicken or turkey silkier, juicier and yummier.

What's the difference between beef and Mongolian beef? ›

Mongolian Beef can be described as having a savory soy-based sauce with scallions as its main aromatic. Szechuan Beef has a similar soy sauce-based profile but with the addition of a spicy element, such as fresh or dried chilis and/or Sichuan peppercorns for a numbing sensation.

What is the most tender beef to eat? ›

Tenderloin Steak

The most tender of all cuts of beef, tenderloin steaks are lean and known for their delicate, butter-like texture and thick cut. These mouthwatering steaks are so tender they can be “cut with a butter knife.” Tenderloin steaks are commonly known as filets or filet mignon.

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