Graham Cracker Crust

1 1/2 cups graham cracker crumbs, finely ground
1/3 cup sugar
1/2 tsp cinnamon (optional)
6 TB butter, melted

Mix graham cracker crumbs, sugar, melted butter, an cinnamon until well blended.  Press mixture into 8 or 9 inch pie plate.  Bake at 375 for 7 minutes.