1 (20 oz.) can crushed pineapple
1 large pkg. orange Jello-O (or your favorite flavor)
1 c. chopped walnuts
2 c. buttermilk
8 oz. Cool Whip

Place pineapple (including juice) in large pan. Bring to a boil over medium heat, stirring constantly. While stirring sprinkle on dry Jello-O. Remove from heat and let cool. Add nuts and buttermilk. Stir well. Fold in Cool Whip. Pour into lightly sprayed 9 X 13-inch pan. Chill several hours. Cut into squares. Serve on lettuce leaf. Garnish with cherry, pineapple chunk, or orange slice.