Easy Fresh Peach Pie

9-inch unbaked pastry crust
1 cup sugar
1/8 teaspoon cinnamon
6 medium-size fresh peaches, quartered
3 tablespoons flour
2 tablespoons butter

Mix sugar, flour, cinnamon. Sprinkle half of mixture over unbaked crust. Arrange peaches in single layer over mixture. Sprinkle remaining mixture over peaches. Dot with butter. Bake at 400 degrees about 1 hour, or until juices thicken and crust is light brown.