The Original Taco Soup

1 (14.5 ounce) can diced tomatoes
1 (14.5 ounce) can diced tomatoes with chiles
1 (14.5 ounce) can Mexican corn with chiles
2 cups cooked mixed beans
1 large onion, chopped
1 package taco seasoning mix
1 package ranch salad dressing mix (dry)

Saute onion with vegetable oil cooking spray. When softened, combine all other ingredients and cook until heated through.

Makes 7 cups. Serving size is 1 cup. 1 Point per serving.