Combine 1 cup flour, 1 tablespoon sugar and 1/4 teaspoon salt. With a pastry blender, mix in 3 ounces cubed and chilled, unsalted butter. Add 2 tablespoons ice water, mix lightly until a ball forms; chill for 1-2 hours. Roll out and fit into 9 inch pie pan. Peel, core and slice 4 Granny Smith apples and toss with 2 tablespoons sugar. Arrange in the pastry shell.

For Topping: Combine 3/4 cup sugar, 3/4 cup flour, 1/2 teaspoon cinnamon and 1/4 teaspoon salt. With a pastry blender, mix in 4 ounce cubed and chilled, unsalted butter until crumbly. Sprinkle over apples. Bake 15 minutes in a 425 degree oven, reduce heat to 350 degrees and bake another 25-30 minutes until top is golden. Serve warm with whipped cream or plain.