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Slow Cooker Mongolian Beef Recipe

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★★★★★

4.6 from 194 reviews

This Slow Cooker Mongolian Beef recipe features tender flank steak simmered in a sweet and savory sauce made with soy sauce, brown sugar, garlic, and ginger. Perfectly cooked in a slow cooker for hours, the beef becomes incredibly flavorful and tender, garnished with fresh green onions for a burst of color and freshness. A comforting and easy-to-make dish ideal for busy weeknights.

Ingredients

Scale

Beef

  • 1 1/2 pounds flank steak, thinly sliced against the grain

Coating

  • 1/4 cup cornstarch

Sauce

  • 1 tablespoon toasted sesame oil
  • 1 teaspoon minced garlic
  • 1 teaspoon minced ginger
  • 1/2 cup low sodium soy sauce
  • 1/3 cup brown sugar
  • 1/2 cup water

Garnish

  • 1/2 cup green onions, sliced

Instructions

  1. Coat the steak: Toss the thinly sliced flank steak with cornstarch in a mixing bowl until the pieces are evenly coated. This helps thicken the sauce and gives the beef a silky texture.
  2. Add ingredients to slow cooker: Place the coated steak into the slow cooker. Add toasted sesame oil, minced garlic, minced ginger, low sodium soy sauce, brown sugar, and water. Stir gently to evenly combine all ingredients without disrupting the coating on the beef.
  3. Cook the beef: Cover the slow cooker and cook on HIGH for 2 to 3 hours, or alternatively on LOW for 4 to 5 hours. Cook until the beef is tender and flavorful, absorbing the sweet and savory sauce.
  4. Finish and serve: Just before serving, stir in the sliced green onions to add freshness and a slight crunch to the dish. Serve hot over rice or your preferred side.

Notes

  • For best results, slice the flank steak thinly against the grain to ensure tenderness.
  • Low sodium soy sauce helps control the saltiness, but adjust according to taste.
  • This recipe can be doubled or halved easily depending on your serving needs.
  • If you prefer, substitute brown sugar with coconut sugar for a different flavor.
  • Serve with steamed rice or noodles for a complete meal.

Keywords: Mongolian Beef, Slow Cooker Beef, Easy Asian Beef Recipe, Slow Cooker Dinner, Tender Beef Recipe, Mongolian Sauce

Find it online: https://hannahdelgado.com/slow-cooker-mongolian-beef-recipe/