While meat is cooking, prepare the lettuce and place it in a large bowl. Once the meat is done, layer it, along with the chips, beans, cheese, tomatoes, sour cream, and guacamole. Serve with salsa or taco sauce.
8 cups chopped lettuce, 1 cup broken tortilla chips, ½ cup black beans, 6 ounces shredded cheddar cheese, ¾ cup diced tomatoes, 4 ounces sour cream, 4 ounces guacamole, ½ cup salsa