CRUST:

1. Mix flour and salt. Use a pastry cutter to cut in the cold butter. Mix until it reaches the consistency of coarse crumbs (cornmeal). Slowly add 4 tablespoons of water, working the mixture with your hands until it begins to come together. Add more water only if you can’t get the mixture to stick together after working it for several seconds. (Don’t overwork it or the dough will be too hard.)
2. Wrap in plastic wrap and place in fridge for 30 minutes.
3. Roll out on a well floured surface, and transfer to pie plate.

APPLE FILLING:

1. Mix sugar, cinnamon and flour. Add to apples and mix well. Add to pie shell.

CRUMB TOPPING:

1. Mix dry ingredients. Cut in butter. Sprinkle crumb topping atop apples.
2. Bake at 375 for 1 hour. (If desired, cover edge with foil to prevent browning and remove about 40 minutes through baking.