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

Welcome to my kitchen! I am Alyssa Rivers and the food blogger behind The Recipe Critic. The blog launched in 2012 as a place to share my passion for cooking. I love trying new things and testing them out with my family. Each recipe is tried and true, family-tested and approved.

Read More About Me

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Slow Cooker Mongolian Beef - The Recipe Critic (2024)

FAQs

Why is Mongolian beef so tender? ›

The science behind using baking soda to marinate Mongolian Beef: The alkalinity of baking soda raises the pH of the meat, causing the proteins to move further apart, and that makes it more tender and easier for us to chew or bite into.

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.

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

The best meat to use instead of flank steak is skirt steak, flat iron steak, flap (sirloin tip) steak, tri-tip steak, and hanger steak (in that order). Each has its differences, but all do well being marinated and cooked over high heat, like flank steak.

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.

How do Chinese people get beef so tender? ›

This is how to tenderise beef with a Chinese restaurant method called “velveting beef”. Also used for chicken, it's a simple, highly effective technique using baking soda that transforms economical beef so it's incredibly tender in stir fries and stir fried noodles.

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

Szechuan Beef is known for its use of Szechuan peppercorns, chili peppers, and often a spicy sauce made with garlic, ginger, and soy sauce. Mongolian Beef, on the other hand, features ingredients such as soy sauce, brown sugar, hoisin sauce, and sometimes oyster sauce for a sweet and savory 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.

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 healthiest beef in the world? ›

Of these, the following are considered the leanest beef cuts:
  • Eye of round roast and steak.
  • Round tip roast and steak.
  • Top round roast and steak.
  • Bottom round roast and steak.
  • Top sirloin steak.
  • Top loin steak.
  • Chuck shoulder and arm roasts.
Nov 21, 2023

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.

Is Mongolian beef authentic Chinese? ›

The name is somewhat misleading, as this dish doesn't come from Mongolia at all, but is instead a Chinese-Taiwanese creation. Since its introduction to the United States, where it's served atop steamed rice or fried glass noodles, it's become popular in America as well (via Devour Asia).

What beef is better for slow cooker? ›

Some of the best cuts for a fall-apart roast beef in the slow cooker include: Chuck Roast:Chuck roast is a popular choice for slow cooking due to its rich marbling and connective tissue. When cooked low and slow, it becomes tender and flavorful. It's well-suited for pot roast recipes.

What meat is best for slow-cooked beef? ›

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.

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

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. How do you make meat tender in a slow cooker? Choosing a cut of beef best suited for low and slow cooking is the ideal way to get extra tender meat.

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

Szechuan Beef is known for its use of Szechuan peppercorns, chili peppers, and often a spicy sauce made with garlic, ginger, and soy sauce. Mongolian Beef, on the other hand, features ingredients such as soy sauce, brown sugar, hoisin sauce, and sometimes oyster sauce for a sweet and savory flavor.

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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