Using the Instant Pot on Sauté Mode, cook the onion, garlic and green peppers.
Add cherry tomatoes and continue cooking until cherry tomatoes become squishy.
Add chicken, water, taco seasoning and spices to Instant Pot.
Cook on Pressure Cook. Once pressure is released, remove the lid, and enjoy the amazing smell!
Shred the chicken up with a fork and serve with tortillas or hard shells with your favorite toppings.