Caramel Apple Crisp Pizza

Pastry for single crust pie 2/3 cup sugar 3 Tbsps. flour 1 tsp. cinnamon 4 medium baking apples Topping: 1/2 cup flour 1/3 cup rolled oats 1 tsp. cinnamon 1/3 cup packed brown sugar 1/2 cup chopped walnuts 1/4 cup butter, softened 1/2 cup caramel ice cream topping Vanilla ice cream(optional) Roll pastry to fit a 12-inch pizza pan;fold under or flute edges. Combine sugar, flour and cinnamon in bowl. Add apples and toss. Arrange apples in single layer in circular pattern to completely cover pastry. combine first six ingredients for topping and sprinkle over apples. Bake at 350*F. for 35-40 minutes or until apples are tender. Remove from oven and immediately drizzle with caramel topping. Serve warm with ice cream if desired. Contributed by Nancy Stork of Liberty Center, Ohio.