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    Home » Main Dishes

    Slow Cooker Mongolian Beef

    Published: Mar 2, 2023 by Jenn · This post may contain affiliate links.

    Jump to Recipe

    Whip up a savory beef dish in under an hour with this easy-to-follow slow cooker Mongolian beef recipe. The end result will be restaurant-style flavors in the comfort of your own home!

    A bowl of slow cooker Mongolian beef served over rice.

    This classic Asian dish is cooked in the Crock Pot, creating a sweet and savory meal full of flavor. Here’s how to make it:

    Jump to:
    • 🥩 Ingredient Tips
    • 📝 Step-by-Step Directions
    • ❓ FAQ
    • 🍽️ Serving Tips
    • 📖 Recipe

    🥩 Ingredient Tips

    Slow cooker Mongolian Beef ingredients: flank steak, green onion, garlic, ginger, brown sugar, sesame oil, cornstarch, soy sauce, and sesame seeds.

    Flank Steak – Flank steak is the ideal cut for making Mongolian beef. Another lean cut may be used with some adjustments. See the FAQ below for more information.

    Ginger – Fresh, diced ginger is used in this recipe. If you’re in a rush, try ginger paste. Dried, ground ginger is not recommended.

    Garlic – Fresh, diced garlic is used in this recipe but you can use the jarred, diced garlic found in the produce section of the grocery store if you need to save time.

    Soy Sauce – Use a reduced-sodium formula in order to add moisture and flavor without too much saltiness. You can always add more salt to taste.

    📝 Step-by-Step Directions

    Flank steak sliced into strips on a wooden cutting board.

    Thinly cut the flank steak against the grain, as shown.

    Strips of flank steak diced into cubes on a wooden cutting board.

    Dice the steak strips into cubes.

    A bowl of flank steak cubes seasoning with salt and pepper and mixed with cornstarch.

    Season flank steak with salt and pepper to taste, and coat with cornstarch.

    Diced garlic and diced ginger on a wooden cutting board.

    Mince the garlic and ginger.

    Flank steak and oil in the slow cooker pot with the remaining ingredients in bowls waiting to be added on top.

    At the bottom of the slow cooker, add the vegetable oil and then add the steak.

    All Mongolian beef ingredients sitting in a slow cooker pot unstirred.

    Add the garlic, ginger, brown sugar, sesame oil, soy sauce, and water. Mix until well combined.

    Sliced scallions resting on a wooden cutting board with a kitchen knife to the side.

    Slow cook for 2.5 hours on high or 4-5 hours on low. Slice the green onion while the Mongolian beef is cooking.

    A bowl of slow cooker Mongolian beef served over rice.

    Once the Mongolian beef is finished cooking, stir it and serve over rice. Garnish with green onion and sesame seeds.

    Slow cooker Mongolian beef served over rice in a white bowl with chopsticks.

    ❓ FAQ

    What cut of beef is Mongolian beef made from?

    Mongolian beef is typically made from flank steak, which is a lean and flavorful cut located near the top of the cow’s hindquarters. Tri-tip, skirt steak, or sirloin are also sometimes used, but flank steak is the most popular choice for adding flavor at a reasonable price.

    Does beef get more tender the longer you slow cook it?

    Generally, yes. Slow cooking beef low and slow in liquid helps to break down the tendons and connective tissues in tougher cuts of meat, resulting in a more tender dish. Additionally, if left for too long, the beef will become mushy rather than tender.

    Is it OK to cook beef on high in slow cooker?

    It is recommended to cook lean cuts of meat on high heat for a shorter duration due to the loss of moisture over extended cooking times. The cook times for this recipe have been tested on both high and low heat with flank steak only. If you choose to use a different cut, you may want to cook on low and monitor it to see what the best option is for your beef cut.

    🍽️ Serving Tips

    Mongolian beef tastes delicious served over rice. Check out my tips for the best sticky rice in a rice cooker or how to make Jasmine rice in the Instant Pot if that’s what you’re working with.

    To make this a full meal, try Chinese restaurant-style green beans as a vegetable side dish.

    📖 Recipe

    Slow cooker Mongolian beef served over rice in a white bowl with chopsticks.

    Slow Cooker Mongolian Beef

    Jenn
    Whip up a savory beef dish in under an hour with this easy-to-follow slow cooker Mongolian beef recipe. The end result will be restaurant-style flavors in the comfort of your own home!
    5 from 1 vote
    Print Recipe Pin Recipe
    Prep Time 10 mins
    Cook Time 2 hrs 30 mins
    Total Time 2 hrs 40 mins
    Course Main Dishes
    Cuisine Asian
    Servings 4
    Calories 370 kcal

    Ingredients
      

    • 1 pound flank steak
    • 3 cloves garlic
    • 1 inch fresh ginger
    • 1 green onion
    • ½ cup reduced sodium soy sauce
    • ⅓ cup brown sugar
    • ¼ cup cornstarch
    • 2 tablespoons vegetable oil
    • 1 tablespoon sesame oil
    • salt and pepper to taste

    Instructions
     

    • Thinly slice flank steak against the grain and then dice.
    • In a medium bowl, add flank steak, salt, pepper, and cornstarch. Mix until well combined.
    • Mince the ginger and garlic.
    • Add vegetable oil to the bottom of the slow cooker and place the diced flank steak on top.
    • Add the garlic, ginger, brown sugar, sesame oil, soy sauce, and water. Mix until well combined.
    • Slow cook for 2.5 hours on high or 4-5 hours on low. Then stir when done cooking.
    • Slice the green onion while the Mongolian beef is cooking.
    • Once fully cooked, garnish the Mongolian beef with scallions and sesame seeds and serve over rice.
    Keyword slow cooker
    Nutrition Facts
    Slow Cooker Mongolian Beef
    Amount Per Serving (4 serving)
    Calories 370 Calories from Fat 144
    % Daily Value*
    Fat 16g25%
    Saturated Fat 4g25%
    Trans Fat 0.04g
    Polyunsaturated Fat 6g
    Monounsaturated Fat 5g
    Cholesterol 68mg23%
    Sodium 1215mg53%
    Potassium 548mg16%
    Carbohydrates 28g9%
    Fiber 0.5g2%
    Sugar 18g20%
    Protein 27g54%
    Vitamin A 30IU1%
    Vitamin C 1mg1%
    Calcium 55mg6%
    Iron 2mg11%
    * Percent Daily Values are based on a 2000 calorie diet.
    Did You Make This Recipe?Please leave a comment below or share on Pinterest

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    Hi, I'm Jenn, a Southern food blogger and mother living in Alabama. After having my wonderful daughter, I decided to embark on a journey of sharing my Southern cooking recipes with the world.

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