Apple Crisp Pizza

pastry for single-crust pie
2/3 cup sugar
3 tablespoons flour
1 teaspoon cinnamon
4 medium baking apples, peeled and cut into 1/2 inch slices

Topping:

1/2 cup flour
1/3 cup brown sugar
1/3 cup rolled oats
1 teaspoon cinnamon
1/4 cup butter or margarine, softened
1/4 to 1/2 cup caramel ice cream topping or caramel apple dip

Roll pastry to fit a 12 inch pizza pan; fold under or flute the edges. Combine sugar, flour an cinnamon in a bowl. Add apples an toss. Arrange the apples in a single layer in a circular pattern to completely cover pastry. Combine the first 5 topping ingredients and sprinkle over apples. Bake at 350 degrees for 35 to 40 minutes or until apples are tender. Remove from oven and immediately drizzle with caramel topping or dip. Serve warm with ice cream. Serves 8 to 10.