southwestern chicken tortilla soup

Ingredients

• 2 large chicken breasts, boneless and skinless-cut into bite sized pieces
• 2 tablespoons olive oil
• 1 medium onion,chopped
• 3 tablespoons garlic,minced
• 2 cans diced italian style w/garlic,basil,oregano-undrained
• 1 can corn kernels,drained
• 1 can black beans, rinsed and drained
• 2 tablespoons of a taco packet
• 1 can 4 oz. mild green chilies,undrained
• 4 cups chicken stock
• 2 cans water,use one of the tomato cans
• - tortilla chips
• - sour cream-opt.
• - chopped green onion-opt.
• - sliced avacado-opt.