1 stick of butter
1 can condensed milk
6 tbsp. lemon juice
2 c. graham cracker crumbs
1 can crushed pineapple
1 c. chopped pecans
1 lg. container Cool Whip

Mix graham cracker crumbs with butter and pat in pie plate. Mix together condensed milk, lemon juice, crushed pineapple (drained), chopped pecans and Cool Whip. Pour over crumbs and refrigerate overnight.