Given the task definition and input, reply with output. In this task, you will be presented with the directions of a recipe separated by "," and have to fill in the "___" which is a step that is missing from the recipe.

______,Add egg and vanilla; beat until smooth.,Spread mixture in pie crust; cool for 30 minutes.,Whip the cream, sour cream and powdered sugar; mix well.,Add pineapple, pecans, cherries and coconut.,Spread mix over chilled filling.,Chill pie until ready to serve.

Cream together the sugar, sour cream and butter.