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!
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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.
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

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? ›

BAKING SODA

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!

What do you eat with Mongolian beef? ›

We also love serving this dish with garlic noodles, chow mein and a side of lightly roasted green beans. In the U.S. Mongolian beef is also commonly served over a bed of fried cellophane noodles, which adds a light, crisp texture to the overall dish.

What is a good substitute for flank steak in a slow cooker? ›

Chuck steak: Chuck steak is a budget-friendly cut of beef that's often used for slow cooking, but it can also be used as a substitute for flank steak in some recipes. It's a bit tougher than flank steak, so it's best to marinate it before cooking to help tenderize it.

How do Chinese get their beef so soft? ›

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.

What is a substitute for cornstarch in Mongolian beef? ›

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. Soy sauce: This gives the dish its savory, umami flavor.

What ethnicity is Mongolian beef? ›

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.

What's better Mongolian beef or Szechuan beef? ›

Szechuan Beef vs Mongolian Beef

Szechuan Beef has a sweet and spicy flavor with added chili peppers and Szechuan peppercorns. The Szechuan peppercorns has a distinctive tingly numbing sensation when eaten. Mongolian beef has a mild and much simpler taste, making it a kids' favorite, outside of broccoli beef.

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.

What is the most popular Mongolian dish? ›

Huushuur - Meat filled, deep fried pancake

One of the most popular and widely eaten dishes in Mongolia, you can find Huushuur wherever you go. Huushuur is a meat-filled deep-fried pancake. Mongolian Huushuur is meaty and flavored with salt and onion. The taste varies depending on the ingredients.

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 beef is better for slow cooker? ›

7-Bone Chuck Roast

Identified by the 7-shaped bone it contains. Rich and flavorful, it's ideal for the slow-cooker.

How do you make meat tender in a slow cooker? ›

Cook Low and Slow

Add your other ingredients and liquids, then set your cooker to “low.” Plan for 6-9 hours of cooking time for your warming slow cooker meal. This long, slow braise breaks down the connective tissue and fat, creating deliciously soft and juicy meat.

Does flank steak get tender the longer you cook it? ›

If you're looking for a tender and flavorful way to cook flank steak, consider slow cooking. Slow cooking allows the meat to break down and become melt-in-your-mouth tender while infusing it with rich flavors.

What makes beef really tender? ›

Factors that also influence tenderness and juiciness are: The animal's age at slaughter, the amount of fat and collagen (connective tissue) contained in particular cuts, and, to a small degree, brining. Collagen is a long, stiff protein that is the most prevalent protein in mammals.

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.

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

Flavor Profile: Szechuan Beef is known for its spicy and numbing flavor, while Mongolian Beef offers a sweet and savory taste. Region of Origin: Szechuan Beef originates from the Sichuan province of China, while Mongolian Beef is inspired by the cuisine of Mongolia.

How do Chinese restaurants get their chicken so tender? ›

How do Chinese Restaurants tenderise chicken?
  1. marinating in a cornstarch/cornflour sludge then deep frying or blanching in water before proceeding to cook in the stir fry.
  2. egg whites – sometimes the above method is also done using egg whites.
  3. chemical tenderiser.
  4. simple baking soda / bi carbonate method.
Feb 23, 2019

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