Sauté the aromatics – Set the Instant Pot to “Sauté” mode and add a drizzle of oil. Cook the diced onion for 2-3 minutes until softened. Add the minced garlic and cook for another 30 seconds until fragrant.
Add the main ingredients – Place the chicken breasts (or thighs) into the pot. Add the diced green chilies, white beans, chicken broth, cumin, chili powder, smoked paprika, oregano, salt, and black pepper. Stir everything together.
Pressure cook – Secure the lid and set the Instant Pot to “Manual” or “Pressure Cook” mode on HIGH for 15 minutes. Allow a natural pressure release for 10 minutes, then carefully do a quick release for any remaining pressure.
Shred the chicken – Remove the cooked chicken from the pot and shred it using two forks. Return the shredded chicken to the pot.
Make it creamy – Stir in the softened cream cheese and sour cream until fully combined and creamy. Add the lime juice for a fresh, tangy kick.
Garnish and serve – Ladle the chili into bowls and top with fresh cilantro, avocado slices, and tortilla chips or cornbread on the side. Enjoy!