Apple Maple Cream Pie

Cinnamony apples, rich maple cream filling topped with a crunchy streusel. Yum! Yum! 4 cups peeled tart apples, thinly sliced 1/4 cup granulated sugar 1-1/4 teaspoons ground cinnamon 1/4 cup butter or margarine, cubed 1 (9-inch) pastry shell, baked FILLING: 1 (8 oz)...