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Mongolian Beef – A Takeout-Style Favorite You Can Make at Home

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Tender strips of flank steak seared until golden and coated in a sweet, savory Mongolian-style sauce with garlic, ginger, and green onions. Better than takeout!

Ingredients

Scale
  • 1 lb flank steak, sliced thin against the grain

  • ¼ cup cornstarch

  • 23 tbsp oil (for searing)

  • 4 green onions, cut into 2-inch pieces

Sauce

  • ½ cup low-sodium soy sauce

  • ⅓ cup brown sugar

  • ¼ cup water or beef broth

  • 1 tsp sesame oil

  • 2 cloves garlic, minced

  • 1 tbsp grated fresh ginger

  • ¼½ tsp red pepper flakes (optional)

Instructions

  • Coat steak strips in cornstarch and let rest 10 minutes.

  • Mix sauce ingredients in a bowl and set aside.

  • Sear beef in hot oil over medium-high heat until browned. Work in batches if needed. Remove to a plate.

  • Pour sauce into the pan and bring to a boil. Simmer 2–3 minutes until slightly thick.

  • Return beef to the pan, add green onions, and toss to coat.

  • Cook 1–2 more minutes. Serve over rice or noodles.

Notes

Customize spice level with chili flakes or chili oil. Add broccoli or bell peppers for extra veggies. Use tamari for a gluten-free version.