Foryoueats: 15 Minute Mongolian Beef

Ingredients

• 1 to 2 pounds flank steak
• 3 tablespoons soy sauce
• 2 tablespoons hoisin sauce
• 1 teaspoon sesame oil
• 2 teaspoons brown sugar
• 2 teaspoons minced garlic
• 1 teaspoon crushed red pepper flakes
• 1/2 teaspoon ground ginger
• 1 tablespoon olive oil
• 1/4 cup sliced green onions for garnish (optional)