You'll never go back to Mongolian beef when you try this INCREDIBLY easy instant pot Mongolian chicken and peppers! Ready in 25 minutes with only a handful of ingredients.
Heat oil in an instant pot set on SAUTE mode. Once hot, add chicken, onions, and garlic and saute, stirring occasionally until chicken is no longer pink, about 8 minutes.
Add soy sauce, cornstarch mixture, sugar, and vinegar to instant pot and fasten lid on. Cook on high pressure 10 minutes, then let release pressure 5 minutes. Add sliced sweet pepper to instant pot then cook on high pressure an additional 5 minutes and let release pressure 5 minutes.
Stir green onions into chicken and season with salt and pepper to taste. Serve Mongolian chicken over hot rice and enjoy!