Mongolian Beef by pureaustralians

Ingredients

1/4 cup soy sauce 1 tablespoon hoisin sauce 1 tablespoon sesame oil 2 teaspoons white sugar 1 tablespoon minced garlic 1 tablespoon red pepper flakes (optional) 1 pound beef flank steak, thinly sliced 1 tablespoon peanut oil 2 large green onions, thinly sliced 2 tablespoons sriracha

Instructions

1.Whisk together soy sauce, hoisin sauce, sesame oil, sugar, garlic, sriracha and red pepper flakes in a bowl. Toss beef with marinade, cover, and refrigerate 1 hour to overnight.
2.Heat peanut oil in a wok or large, nonstick skillet over high heat. Add the green onions, and cook for 5 to 10 seconds before stirring in the beef. Cook and stir until the beef is no longer pink and is beginning to brown, about 5 minutes.