Blend confectioner's sugar, cream cheese and vanilla in the blender.
Separately, whip the heavy cream.
Fold whipped cream into sugar/cream cheese mixture. Pour into in graham cracker crust and chill for an hour or so. Then serve.
Notes
Substitutions
Verify the ingredients of a purchased graham cracker crust or make one from safe ingredients.
Milk and Soy Substitutions: Alternative dairy-free milk beverages and products will work in most recipes. Find out more about milk substitutions and soy substitutions.