Instructions: Preheat the oven to 350 degrees.

In a large bowl, stir together the sugar, 2 tablespoons of the flour, 1/4 teaspoon of the cinnamon, and the salt. Add the sour cream, egg, and vanilla and beat until well blended. Fold in the apples.

Fit the pastry into a 9-inch pie plate as directed in Plan-Ahead Pastry recipe. Spoon the apple mixture into the pastry shell. In a small bowl, stir together the remaining flour, the brown sugar, the remaining cinnamon, and the melted butter, forming crumbs. Sprinkle the crumbs over the apple mixture.

Bake until the filling is set when pie plate is gently tapped, 50 to 55 minutes. Remove the pie to a wire rack and cool completely before cutting. Refrigerate any leftovers.

This recipe yields 6 servings.

Variation: Sour-Cream Berry or Cherry Pie: Substitute fresh blueberries or pitted sweet cherries for the apples.

Comments: This pie is best when served on the day it is baked.

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