Cooking Time: 15 min
1 (4-serving size) package lemon pie filling, cooked according to the package directions
1/4 cup (½ stick) butter
2 tablespoons lemon juice
1 1/2 teaspoons grated lemon peel
1 cup sour cream
1 (9-inch) graham cracker pie crust
2 cups frozen whipped topping, thawed
1. While lemon pie filling is still hot, add butter, lemon juice, and lemon peel; stir until butter is melted. Add sour cream; mix well.
2. Pour mixture into pie crust and chill for at least 2 hours, or until set. Completely cover top of pie with whipped topping and serve, or cover loosely and chill until ready to serve.