Go Back
+ servings
Slow Cooker Mongolian Beef
Print Pin
5 from 11 votes

Slow Cooker Mongolian Beef

This Slow Cooker Mongolian Beef is simple, easy, and delicious! Even better? This dish tastes exactly like what you would order from your favorite local Chinese restaurant. The beef is tender and juicy, and the sauce that is created is SO GOOD.
Course Main Course
Cuisine Chinese
Keyword Beef, Carrots, Crockpot, Flank Steak, Garlic, Mongolian Beef, Slow Cooker, Soy Sauce, Steak
Prep Time 10 minutes
Cook Time 2 hours
Total Time 5 hours 10 minutes
Servings 4 servings
Calories 252kcal


  • Knife
  • Cutting board
  • Gallon-sized ziploc bag
  • Slow cooker
  • Spoon


  • 1 pound flank steak thinly sliced
  • 1/4 cup corn starch
  • 2/3 cup soy sauce
  • 2/3 cup water
  • 1 tablespoon brown sugar
  • 1 cup shredded carrots
  • 4 cloves garlic minced
  • green onion and sesame seeds to garnish (optional)


  • With a knife and a cutting board, slice the flank steak into thin slices across the grain. Alternatively, you can ask your butcher to slice it for you when you are at the meat counter.
  • In a gallon-sized ziploc bag, toss the flank steak and corn starch around until the flank steak is well coated.
  • In your slow cooker, add the soy sauce, water, brown sugar, shredded carrots, and garlic.
  • Add the flank steak and cover.
  • Stir until everything is combined.
  • Cook on low for 2 hours or on high for 1 hour.
  • Once the flank steak is cooked, stir well so that it is coated with the sauce.
  • Garnish with chopped green onions, sesame seeds, and more shredded carrots if desired and serve.


This Slow Cooker Mongolian Beef makes four servings at 1/2 cup each. Each serving comes out to 252 calories, 5 WW Green SmartPoints®, 5 WW Blue SmartPoints®, and 5 WW Purple SmartPoints®.


Serving: 0.5cup | Calories: 252kcal | Carbohydrates: 18g | Protein: 30g | Fat: 6g | Saturated Fat: 3g | Cholesterol: 69mg | Sodium: 2301mg | Potassium: 629mg | Fiber: 1g | Sugar: 6g | Vitamin A: 5347IU | Vitamin C: 3mg | Calcium: 51mg | Iron: 3mg