Authentic Mongolian Beef Stir-Fry Recipe for Weeknight Dinners

• 2 lbs. boneless sirloin steak, sliced into ½–inch strips
• 6 tablespoon vegetable oil
• 2 scallions
• 1 tsp. fresh ginger, peeled & finely chopped
• 1 clove garlic, minced
• 2 tablespoon soy sauce
• 1 recipe marinade, see below

Marinade:

• 2 tablespoon vegetable oil
• 2 tablespoon cornstarch
• 2 teaspoon salt
• 2 teaspoon sugar
• 2 tablespoon soy sauce
• dash of pepper

Marinate Beef

• Trim excess fat from the sirloin and cut into ½-inch strips. Place the beef in a shallow dish. In a bowl, whisk together the marinade ingredients (vegetable oil, cornstarch, salt, sugar, soy sauce, and a dash of pepper) until combined. Pour the marinade over the beef, toss to coat, cover, and refrigerate overnight to tenderize and infuse flavor.

Cook Beef

• Slice the scallions into small pieces and set aside.
• Heat 6 tablespoons vegetable oil in a large skillet or wok over high heat until hot but not smoking. Carefully add the ginger and garlic, then add the marinated beef in a single layer. Stir-fry, tossing frequently, until the beef is browned and cooked through, about 4–6 minutes depending on thickness.
• Add the remaining 2 tablespoons soy sauce and stir to coat the beef evenly, allowing the sauce to reduce slightly and glaze the meat.
• Stir in the scallions and cook for another minute until fragrant. Remove from heat and serve immediately over rice or with lo mein noodles.