Go Back
–+ servings
Slow Cooker Mongolian Beef

Savory Slow Cooker Mongolian Beef for Effortless Dinners

Slow Cooker Mongolian Beef is a delectable dish that transforms flank steak into tender bites with a rich, garlicky sauce, perfect for busy weeknights.
Print Recipe Pin Recipe
Prep Time 15 minutes
Cook Time 4 hours
Total Time 4 hours 15 minutes
Servings: 4 servings
Course: Dinner
Cuisine: Asian
Calories: 320
Ingredients Equipment Method Nutrition Notes

Ingredients
  

For the Beef
  • 2 pounds Flank Steak Choose high-quality cuts for best tenderness; slice against the grain.
  • 1/4 cup Cornstarch Used to coat the beef.
For the Sauce
  • 1/2 cup Low-Sodium Soy Sauce Offers savory umami; tamari can be used for gluten-free.
  • 1/4 cup Brown Sugar Balances the sauce's flavors with sweetness.
  • 1/4 cup Hoisin Sauce Enhances depth; oyster sauce can be substituted.
  • 4 cloves Garlic Minced fresh.
  • 1 tablespoon Ginger Grated fresh.
  • 1/2 cup Water Adjusts sauce consistency.
For Cooking
  • 2 tablespoons Vegetable Oil Ideal for searing the steak.
  • 1/4 cup Green Onions Chopped for garnish at the end.

Equipment

  • Slow Cooker
  • Skillet
  • Mixing Bowl

Method
 

Step-by-Step Instructions
  1. Trim excess fat from the flank steak, slice it into thin strips against the grain, and coat the beef in cornstarch.
  2. Heat a skillet over medium-high heat with vegetable oil and sear the beef strips for 1-2 minutes on each side until lightly browned.
  3. In a mixing bowl, whisk together soy sauce, brown sugar, hoisin sauce, water, minced garlic, and grated ginger.
  4. Pour the sauce over the seared beef in the slow cooker, ensuring all pieces are coated.
  5. Cover and cook on LOW for 4 hours or HIGH for 2-2.5 hours until beef is tender.
  6. About 30 minutes before serving, create a slurry with cornstarch and cold water, stir into the slow cooker with chopped green onions.
  7. Once done, stir the Mongolian Beef and serve warm over steamed rice or noodles.

Nutrition

Serving: 1servingCalories: 320kcalCarbohydrates: 20gProtein: 30gFat: 14gSaturated Fat: 4gPolyunsaturated Fat: 0.5gMonounsaturated Fat: 8gCholesterol: 80mgSodium: 800mgPotassium: 650mgFiber: 1gSugar: 8gVitamin A: 200IUVitamin C: 2mgCalcium: 30mgIron: 3mg

Notes

For the best results, slice beef against the grain and avoid lifting the lid while cooking to maintain heat and moisture.

Tried this recipe?

Let us know how it was!