2 pounds ground beef 2 packages taco seasoning mix 16 ounces Cheddar cheese, shredded 1 red onion, chopped 1 yellow onion, chopped 2 heads iceberg lettuce, chopped 4 tomatoes, chopped 2 avocados, chopped 2 green bell peppers, chopped 1 can black olives, chopped 1 large bag Doritos nacho chips, crumbled 1 bottle (8 ounce size) Catalina salad dressing
Brown ground beef with chopped yellow onion. Add 1 package of taco seasoning and water according to package directions. Set aside to cool completely.
In a large bowl mix together chopped lettuce, tomato, cheese, avocado, red onion, peppers, olives, and 2nd package of taco seasoning. Add cooled beef mixture.
Just before serving toss with the dressing and the last step is to mix in 3/4 of the package of crushed Doritos, leaving the rest on the side for people who want extra. (they get soggy if you do them too early.)