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Savory Mongolian Beef Recipe Perfect for Flat Top Grill Cooking

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A quick and satisfying Mongolian beef recipe cooked on a flat top grill for a crispy, caramelized crust and a sweet-savory glaze. Perfect for busy weeknights and delivers complex flavors with minimal effort.

Ingredients

Scale
  • 1 pound flank steak or sirloin, thinly sliced against the grain
  • 1/3 cup low-sodium soy sauce
  • 2 tablespoons hoisin sauce
  • 2 tablespoons packed brown sugar
  • 3 cloves garlic, minced
  • 1 teaspoon freshly grated ginger
  • 4 stalks green onions, sliced thinly on the bias
  • 2 tablespoons vegetable oil
  • 1/4 teaspoon red pepper flakes (optional)
  • 1 tablespoon cornstarch mixed with 2 tablespoons cold water

Instructions

  1. Slice the beef thinly against the grain, about 1/4 inch thick. Pat dry with paper towels to reduce moisture. (5-7 minutes)
  2. In a mixing bowl, combine soy sauce, hoisin sauce, brown sugar, minced garlic, grated ginger, and red pepper flakes if using. Stir until sugar dissolves. (3 minutes)
  3. Preheat the flat top grill to medium-high (around 375°F). Lightly oil the surface with 1 tablespoon vegetable oil. (5 minutes)
  4. Spread the beef evenly over the hot surface in a single layer. Let it sear undisturbed for about 2 minutes, then flip and cook for another 1-2 minutes until edges crisp slightly. (4 minutes)
  5. Pour the sauce mixture over the beef on the grill. Stir quickly to coat all pieces evenly. Sauce should bubble and thicken. (2 minutes)
  6. Drizzle the cornstarch slurry over the beef and sauce. Toss for another 1-2 minutes until sauce is glossy and clings to the beef. Watch carefully to prevent burning. (2 minutes)
  7. Remove beef from grill and transfer to a serving plate. Sprinkle sliced green onions on top. Serve immediately. (1 minute)

Notes

If beef releases too much liquid, increase heat slightly to encourage evaporation and keep sauce thick. Do not overcrowd the grill; cook in batches if needed. Use tamari for gluten-free soy sauce alternative and check hoisin sauce for gluten-free labels. For vegetarian option, substitute beef with king oyster mushrooms or seitan strips.

Nutrition

Keywords: Mongolian beef, flat top grill, quick dinner, savory beef, hoisin sauce, easy weeknight meal, caramelized beef