18 graham crackers Roll into fine crumbs
Add:
1/3 cup softened butter
1/3 c. sugar
1 tea. cinnamon

Press firmly into pie pan (9”) and bake until it begins to brown around the edges.
Cool and fill with desired filling.  If the filling is topped with meringue, you may reserve 1/3 c. mixture to sprinkle over meringue before cooking.