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!
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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!
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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.
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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

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 chewy? ›

Like many stir fry dishes, it is important to thinly slice the meat, which means stir-frying will obviously overcook the meat, which in turn will make it tough and chewy.

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!

Is Mongolian beef healthy for you? ›

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.

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 restaurants make their beef so tender? ›

In Chinese cooking, proteins like beef, pork or chicken are velveted first before stir-frying them. There are several ways to velvet, but at its most basic level, it involves marinating meat with at least one ingredient that will make it alkaline. This is what tenderizes the meat, especially cheaper, tougher cuts.

Why is Chinese restaurant beef so tender? ›

Velveting is a Chinese method of marinating which keeps delicate meat and seafood moist and tender during cooking. The velveting technique is very easy and gives amazing results.

Why do Mongolians boil their meat? ›

Winters are harsh in Mongolia and it is better to preserve the fat… Boiling is a better choice and after a while people get used to taste… Because the Mongols cooked over dung fires, they usually boiled meat rather than roasting or frying it.

What is the difference between Szechuan 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 secret ingredient in stir fry beef? ›

Velvet the beef: The velveting technique involves tenderizing, marinating, and a quick searing of the meat. To tenderize: Sprinkle with baking soda (the secret Chinese meat tenderizer). To marinate (a quick marinade): Add basic beef marinade and mix to coat evenly. Let marinate for 15 minutes or up to overnight.

Is there another name for Mongolian beef? ›

Stir-Fried Spicy Beef (Previously: Mongolian Beef)

Sliced beef marinated in soy and then stir-fried with peppers and onions.

Why do Mongolians eat so much meat? ›

That's because as a culture of nomadic herders, they eat what's at hand – and that's whatever their herd supplies. Mongolians have eaten this way for centuries. Mutton (sheep), goat, and beef are their main source of meat and are often refer to red foods.

Why is Mongolian beef so good? ›

The beef is super tender and it's coated in a delicious sweet & savory sauce – trust me, you're going to love this one! If you're a fan of Mongolian Beef, you'll never need to order takeout again after trying this recipe!

What is Mongolian beef supposed to taste like? ›

When done just right, it's perfectly sweet and savory, slightly spicy, and loaded with lots of delicious aromatics such as ginger, garlic, green onions and even a few dried red chilis, all combined to bring a nice pop of deep, fragrant flavor.

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

Szechuan beef vs Mongolian beef, what's the difference? Szechuan beef has a sweet and spicy flavor, and Mongolian beef has a mild taste. Szechuan beef hails from the Sichuan Province in southwestern China.

Why is my beef chewy after cooking? ›

The reason lies in the fat and protein content of the meat and how it transforms during the cooking process. When exposed to too much heat, the fat within the muscles gets rendered out completely, ridding the steak of the moisture that makes it tender.

Why does my beef taste chewy? ›

You Undercooked The Steak

Meat needs sufficient time and temperature to transform the collagen into gelatin. If removed from the heat too soon, the connective tissue will remain intact. The steak may appear juicier when rare, but can have a chewy, sinewy texture.

Why does beef get chewy? ›

Over-kneading has a tendency to result in chewy bread. Here's how to tell if you've kneaded enough. Another possibility—you used bread flour when all-purpose flour would do. If a recipe with bread flour turned out chewier than you like, try it with all-purpose and knead only as much as the recipe directs.

Why is my stir fry beef chewy? ›

Cut Thin Slices

The thinner the beef, the more tender it will taste and the less chewy it will be. Thicker strips require longer cooking times, which usually means the outside is overcooked by the time the inside is cooked. It's easier to accidentally overcook a thicker strip of beef than a thinner one.

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