These amounts obviously are approximate.
with a mixer:
one 8 oz. package of cream cheese, softened
a good chunk of Kool Whip
a good chunk of powdered sugar
(I often add vanilla or strawberry-banana yogurt as well.)
Pour into a pre-made graham cracker pie crust
Top with anything you want -- blueberries, strawberries, kiwi. Cool in the fridge.