Crock Pot Chicken Taco Soup

onion (chopped)

can chili beans (undrained)

can black beans (undrained)

can corn (undrained)

diced tomatoes with green chiles (undrained)

can tomato sauce

can beer or non-alcoholic beer

pkg taco seasoning mix

boneless, skinless chicken breasts

shredded Cheddar cheese (garnish)

crushed tortilla chips (garnish)

sour cream (garnish)