1 (8 oz.) carton sour cream
1/3 c. Miracle Whip
1 pkg. dry taco seasoning mix
1 1/2 c. Monterey Jack cheese, shredded
1 1/2 c. Cheddar cheese, shredded
1 bottle taco sauce (hot or mild)
Chopped black olives (optional)

Mix first three ingredients together and spread on a pizza pan. Top with taco sauce and sprinkle on the cheeses and olives. Serve with taco chips.