Preparation:

Preheat oven to 375 Degrees 

Lay one sheet of pie crust into a pie tin. Slice apples thinly and sprinkle with sugar, cinnamon & flour. Spread one half of the sliced apples into the pie crust & dot with pieces from one half of the stick of butter. Add the rest of the apples and again dot with pieces of the remaining half of butter. Lay second sheet of piecrust on top and crimp edges to seal. Cut with the tip of a knife five small slits in the top of the crust. Brush the crust with melted butter and sprinkle with sugar. 

Bake at 375 Degrees for 15 minutes, lower temp to 350 Degrees and bake for 50 additional minutes.