Instant Pot Mongolian Beef

Ingredients (12)

• 2 pounds flank steak,
• 1 tablespoon olive oil
• 2 cloves garlic,
• 1/2 cup soy sauce,
• 1/2 cup water
• 2/3 cup brown sugar
• 1 tablespoon minced fresh ginger
• 1/8 teaspoon red pepper flakes
• 2 tablespoons cornstarch,
• 3 tablespoons water
• 4 green onions,
• sesame seeds