Official Milk Pie Recipe

1 tablespoon flour
1/4 cup sugar
1/2 teaspoon cinnamon
1 1/3 cups milk
1/2 tablespoon butter
1 8 inch unbaked pie crust
Mix flour, sugar and cinnamon together, and put in bottom of pie shell. Put in one pat of butter, then milk. Bake at 350 degrees until crust is brown, approximately 45-55 minutes.