1 head lettuce
2 med. tomatoes
1 lb. ground beef
1 pkg. taco seasoning mix
1 pkg. taco shells
1 bottle Catalina dressing
1 can sliced black olives
1 c. yellow Cheddar cheese
1 c. mozzarella cheese

Prepare taco meat as directed on seasoning package and cool. Chop lettuce and tomatoes. Add olives, cheese and crushed taco shells. Add cooled meat mixture and toss. Add Catalina dressing to taste and toss again. Serve immediately.