Preheat oven to 400 degrees F.
Use any left over pie crust or use a 9" pie crust and shape it into a rectangle.
Spread the rectangle with butter, not margarine, being generous with the butter
Sprinkle with granulated sugar (about 2 tbsp. for a 9" crust
Sprinkle with cinnamon, about 1 1/2 tablespoons
With the longest side of the rectangle facing you, roll the crust up into a roll. Gently seal the edge where the crust stops.
Slice the roll into 1/2" slices with a sharp knife.
Place cut pieces on an ungreased cookie sheet and bake for about 20 to 25 minutes or until golden brown.
Makes about 12 roundies.