This hearty and satisfying recipe for crockpot chicken chili is perfect for a chilly day. Start by processing onions, garlic, and peppers in a food processor until finely chopped. Then, add the mixture to a crockpot along with chicken breasts, beans, tomatoes, and seasonings. Cook on low for 6-8 hours, or until the chicken is cooked through and the chili is thick and flavorful. Serve hot with a side of cornbread.