– 1 lb. ground beef – 1/2 yellow onion, chopped – 1 1/2 Tablespoons homemade taco seasoning – 1 head lettuce or about 6 cups chopped mixed lettuce – 4 tomatoes, chopped – 2 avocados, chopped – 15 oz. can kidney beans, rinsed and drained – 2 cups shredded Cheddar cheese – 1 large bag Doritos or Frito For the dressing: – 3/4 cup Miracle Whip – 1/4 cup sour cream – 1 Tablespoon sugar – Juice of 1 lime – 1 Tablespoon taco seasoning – 1-2 teaspoons Tabasco sauce, to taste