Instructions: For streusel: Combine nuts, brown sugar, cornmeal, flour, cinnamon and nutmeg in processor. Using on/off turns, process until nuts are finely chopped. Add butter and process until small moist clumps form. (Can be prepared 1 day ahead. Cover and refrigerate.)

For filling: Position rack in center of oven and preheat to 375F. Toss apples with sour cream in large bowl to coat. Mix sugar, flour, cinnamon, nutmeg and cloves in small bowl. Sprinkle mixture over apples and toss to coat.

Transfer filling to prepared crust. Sprinkle streusel over apples, covering completely. Bake pie until apples are tender and streusel is golden, tenting pie with foil if streusel browns too quickly, about 1 hour.

Transfer pie to rack and cool slightly.

Serve pie slightly warm or at room temperature with vanilla ice cream.

Makes 8 servings.

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