1 (20 oz.) can crushed pineapple
1 (6 oz.) pkg. orange Jello
2 c. buttermilk
1 (8 oz.) carton Cool Whip, thawed
1/4-1/2 c. chopped pecans

In a large saucepan bring pineapple to a boil. Remove from heat; stir in gelatin. Cool to room temperature. Stir in buttermilk. Fold in Cool Whip and pecans. Pour into a 9 x 13 inch pan and chill at least 2 hours.