- Combine sugar, flour, butter, lemon zest, cinnamon, allspice, cloves, and nutmeg in a food processor.
- Process until well blended.
- Spread one-third of the sugar mixture over an unbaked pie crust.
- Arrange apple slices, in an overlapping pattern, on top of the sugar mixture.
- Top with the remaining sugar mixture.
- Bake@ 400 degrees for 45-55 minutes, until crust is lightly browned.
- Serve hot, warm, or at room temperature.