Slow Cooker Chicken Tortilla Soup Ingredients 1lb chicken breast, trimmed 15oz can sweet whole corn kernels, drained 15oz can diced tomatoes, drained 5C chicken stock 3/4C onion, chopped 3/4C green pepper, chopped 1 serrano pepper, minced 2 cloves garlic, minced 1/4 tsp chili powder 1 1/2 tsp salt, divided 1 tsp ground pepper, divided