ppreheat oven to 375 degrees. Remove 1/2 cupof cookie dough and reserve for another use. Add flour to remaining dough and knead with hands to combine. Press dough into 14 inch circle on 15 inch baking stone. Bake for 15-20 min. Or until cookie is lightly browned. Let cool for 10 min. Then loosen from stone. Cool completly. Blend cream cheese, peanut butter, brown sugar, and vanilla together until smooth. Spread on cooled cookie. Peel, core and slice apples. Dip apple slices in lemon-lime soda to prevent browning. Arrange apple slices on cream cheese mixture. Sprinkle lightly with cinnamon. Heat caramel topping slightly and drizzle over apples. Sprinkle chopped nuts over pizza. Cut and serve. Recipe from Pampered Chef personal note: Excelent! just like taffy apples.