Pastry for a single-crust 9-inch pie

6 cups peeled, chopped apples
2 tablespoons butter, melted
2 tablespoons sour cream
4 teaspoons lemon juice
1/4 cup granulated sugar
1/4 cup packed brown sugar
1 tablespoon all-purpose flour
1 teaspoon apple pie spice*

TOPPING:
1/2 cup all-purpose flour
1/2 cup granulated sugar
1/4 cup cold butter

Line a 9-inch pie plate with pastry; flute edges and set aside. In a large bowl, combine the apples, butter, sour cream, lemon juice, sugar, brown sugar, flour and apple pie spice. Spoon mixture into pie shell.

In a large bowl, combine flour and sugar; blend well. Cut in cold butter until mixture resembles coarse crumbs. Sprinkle over filling.

Bake at 375 degrees F for 45 to 50 minutes or until filling is bubbly. Cool on a wire rack. Makes 8 servings.