1 pkg. Lorna Doone cookies, crushed
2 sm. pkgs. instant vanilla pudding
1 sm. pkg. Cool Whip
1 stick butter
1 qt. butter pecan ice cream, softened
3 Heath bars

Melt butter and mix with cookies. Pat onto bottom 9"x13" pan. Prepare pudding using only 2 cups milk. Add softened ice cream to pudding. Pour this mixture on top of cookies. Top with Cool whip. Crush Heath bars and sprinkle on top. Keep frozen until served. 12 to 15 servings.