Step 1 Place the butter in the Instant Pot and turn it to Sauté. Once hot add in the onion, pepper, garlic, and taco seasoning. Sauté until fragrant and slightly softened, about 3 minutes.
Step 2Add the chicken, canned tomatoes and broth to the pot, cover and turn to sealing. Set the Instant Pot to Manual high for 13 minutes.