Mongolian Beef recipe made in a slow cooker

Slow Cooker Mongolian Beef

  • Author: Dan
  • Prep Time: 5 minutes
  • Cook Time: 2 hours
  • Total Time: 2 hours 5 minutes
  • Yield: 6 Servings 1x

This Slow Cooker Mongolian Beef recipe only takes about 5 minutes of prep time! Fork tender beef cooked in the most addicting sweet and mildly spicy sauce!



  • 22 1/2 pounds flank steak or sirloin steak
  • 3 tablespoons cornstarch
  • 1/2 cup soy sauce
  • 1/2 cup water
  • 1/4 cup brown sugar
  • 1 tablespoon ginger paste (or finely chopped or grated fresh ginger)
  • 1 tablespoon garlic paste (or finely chopped garlic)
  • 1 tablespoon sriracha
  • 2 tablespoons sesame oil
  • 4 scallions, sliced into large pieces
  • Extra chopped scallions and sesame seeds for garnish


  1. Slice the steak into approximately 1/4″ thick slices. Add the cornstarch to a bowl and then add the steak slices. Toss the steak with the cornstarch until completely coated. Add the steak to a 6-8 quart slow cooker.
  2. Mix the soy sauce, water, brown sugar, ginger paste, garlic paste, sriracha and sesame oil together in a bowl and then pour over the beef. Add the scallion and toss together with the sauce.
  3. Cook on high for 2 hours or on low for 4 hours. Remove the lid, toss the beef and let sit for 10 minutes to let the sauce continue to thicken before serving.
  4. Serve with more scallions and sesame seeds for garnish.
  • Category: Dinner
  • Method: Slow Cooker
  • Cuisine: American

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