1 medium can crushed pineapple
3 small boxes any flavor Jell-O
1 qt. buttermilk
1 c. (8 oz.) Cool Whip
nuts
coconut
marshmallows (if desired)

Bring pineapple (including juice) to boil. Add Jell-O and mix thoroughly. Remove from heat. Stir in buttermilk. Cool in refrigerator for 1 1/2 hours or until thick. Blend in Cool Whip and extras, if added. Pour into 9 x 13-inch pan and refrigerate until firm.