Using a packet of taco seasoning gives this crockpot white chicken chili loads of flavor without having to measure any spices.
Place chicken in a 4- to 6-quart slow-cooker. Top with beans, zucchini, pepper and corn.
In a medium bowl, combine taco seasoning, chilies, soup and chicken broth. Pour into slow-cooker, then cover and cook on low for 8 hours or high for 4 hours.
Just before serving, stir to break-up the chicken, then stir in the sour cream.
Top with cheese and garnish with green onions or cilantro, if desired. Serve with tortilla chips.