Layer in order given in a 10 inch springform pan.

1 lb. (15 oz.) can refried beans
Mix 1 c. sour cream, 1 c. mayonnaise & 1 pkg. taco seasoning
1/2 sm. head lettuce, diced
2 med. tomatoes, diced
1/2 c. shredded Cheddar cheese
Garnish with black olives

Chill, spring the pan and take off the side of pan. Serve with tortilla chips. Note: You may want to add a layer of green onions.