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.
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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

4.69 from 63 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.

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

What is Mongolian beef sauce made of? ›

Making the Mongolian Beef Sauce

Whisk the Mongolian Beef Sauce ingredients together consisting of soy sauce, water, brown sugar, Asian sweet chili sauce, rice wine, hoisin, pepper, sriracha and cornstarch.

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.

How to thicken stock in a slow cooker? ›

Add a slurry at the end.

A slurry is a mixture of flour and water, whisked together until smooth and added towards the end of cooking; it's a super-simple way to thicken any soup. For slow cooker soups, add your slurry with at least 30 minutes of cook time left so that the raw flour can cook and thicken the soup.

What to pair 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 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.

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.

How do Chinese get their meat so tender? ›

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. “People go for either egg white or baking soda as they are both alkaline ingredients.

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.

Does taking the lid off a slow cooker thicken the sauce? ›

Take the lid off

Place the cooker on a high setting, and open the lid for 30-45 minutes to let excess moisture cook off. The liquid will reduce, leaving you with a thick and delicious gravy or sauce. (Tip: This trick can also be applied for thickening stews, or when you've accidentally added too much liquid.)

How to stop a slow cooker from being watery? ›

okay, secondly, you can put a tea towel under the lid. that will capture some of the moisture, it stops it circulating in the slow cooker. and then thirdly, you can use a corn flour slurry, so into a bowl, a little bit of corn flour, cold water, mix it with your finger, pour it in, stir it. you're done.

Does cornstarch go bad? ›

Good news: Cornstarch is one of those baking staples that can last for years and doesn't really expire. If cornstarch does go bad, it's usually because moisture or pests have been able to get to it—and you'll notice it immediately. It may have an off taste or flavor (think sour or "funky"), or an off color.

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? ›

Tsuivan – stir-fried meat and vegetables with noodles – is one of Mongolia's most-loved dishes. First, meat and vegetables are chopped and stir-fried with sheep tail oil and salt. Then, noodles – hand-cut ones are best – are added to the top of the sizzling ingredients with some water.

What does Mongolian sauce taste like? ›

Deep and flavorful, our Mongolian Style BBQ Sauce can attribute its flavor profile to smoked black pepper, sweet molasses, soy sauce and garlic making this sauce versatile for marinades and as a finishing sauce.

What is Mongolian sauce? ›

Mongolian sauce is a sweet and savory sauce that is often used in Chinese-American cuisine, particularly in dishes like Mongolian Beef or Mongolian Chicken.

Does Mongolian beef contain oyster sauce? ›

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 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.

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