1. Heat oven to 350°F. Press cookie dough evenly into 11-inch circle on ungreased cookie sheet. Bake 15 to 17 minutes or until lightly browned. Meanwhile, break or cut chocolate bars into about 1/4-inch pieces.
2. Remove cookie from oven. Evenly sprinkle surface with chocolate chips, peanut butter chips, white chips and chocolate bar pieces. Cover "toppings" with marshmallows. Sprinkle surface with chocolate covered caramel candies. Return to oven; bake additional 5 minutes or until marshmallows are puffed and lightly browned. Cool. Cut into triangles using wet knife. About 12 slices.