Instant Pot Mongolian Beef (Yummy Weeknight Meal Idea)

Ingredients

• 2 lbs. thinly-sliced flank steak (or beef sirloin strips like I used)
• 1 tablespoon sesame oil or vegetable oil
• 1/2 cup less sodium soy sauce
• 1/2 cup water
• 1/3 cup brown sugar
• 4 garlic cloves, minced
• 1 teaspoon fresh ginger, minced
• 1 tablespoon corn starch
• 3 tablespoons water
• 4 green onions, sliced