Ingredients

Crust:

1 1/2 cups flour

3 teaspoons sugar

1/2 teaspoon salt

1/2 teaspoon cinnamon

1/4 pound unsalted butter

3-4 teaspoons Calvados or apple cider

Filling:

6-8 tart apples

1 egg, slightly beaten

1 1/4 cups sour cream

3/4 cups sugar

1/2 teasppon salt

2 teaspoons vanilla

1/4 cup flour

Topping:

1/3 cup brown sugar

1/3 cup white suagr

1 teaspoon cinnamon

1/2 cup flour

1 cup coarsely chopped walnuts

5 tablesoons melted butter

pinch of salt

Preparation

Crust: Sift flour, sugar, salt and cinamon in bowl. Cut in butter. Add enough apple cider or Calvados to hold dough together. Form into a ball. Flatten slightly and roll on lightly floured surface. Put into a 9" deep pie pan. Filling: Pare and thinly slice aples. Mix eggs, sour cream, sugar, salt, flour and vanilla. Add to apples and toss to coat. Lightly spoon into crust. Bake 10 minutes at 450 degrees. Reduce to 350 degrees and bake an additional 40-45 minutes. Topping: Mix sugar, cinnamon, flour, salt, and nuts. Add melted butter and mix well. After pie has been in oven for 35 minutes, spread topping over pie and continue to bake until golden brown.