1 (9 inch) can frozen whipped topping, thawed
1 (8 ounce) container frozen whipped topping, thawed
2/3 cup shortening
1 (1.25 ounce) package key lime flavored Jell-O
1 (9 inch) prepared graham cracker crust
Preheat oven to 450 degrees F (220 degrees C).
In a medium bowl, stir together whipped topping, softened margarine, and crushed graham cracker crumbs. Stir in 2/3 cup of shortening and a 1/3 cup of sugar. Stir until smooth.
Pour mixture into pie crust. Bake in preheated oven for 45 minutes, or until knife inserted in center comes out clean. Cool before serving.