Cream Cheese Pie

My sister Gwen Butler gave me this recipe in the early 1970's, it is one of my favorites, I haven't made it for years. We just made it 2017 Christmas and loved it!

8 0z cream cheese softened
1 cup powdered sugar
1 teaspoon vanilla
mix together until smooth
gradually add:
2 cups whipping cream and beat until stiff
Pour into a 9x13 pan with a graham cracker crust.
Chill then top with 1 can cherry pie filling or blueberry pie filling

GRAHAM CRACKER CRUST:
2 Packages of graham cracker crushed into crumbs
1 stick (1/2 cup) butter melted
1/2 cup sugar
Mix together and pat into 9x13 pan