1 (9 inch) prepared graham cracker crust
1 (14 ounce) can sweetened vanilla flavored milk
2 cups white sugar
1 teaspoon baking powder
1 teaspoon cream of tartar
Preheat oven to 325 degrees F (165 degrees C).
In a blender, combine milk, sugar, baking powder and cream of tartar. Blend until smooth. Spread mixture into graham cracker crust.
Bake in preheated oven for 25 to 30 minutes, or until crust is golden brown.