1 pk 7.5 oz Mini Oreo Cookies 1 pk 16 oz brownie mix 1 c Miniature marshmallows 1/3 c Chopped walnuts 1/3 c Candy coated peanut butter -candies 1. Reserve 20 cookies. Prepare brownie mix according to package directions. Stir in remaining cookies. Spread batter in a greased 12" pizza pan. Bake at 350F for 18-20 minutes or until done. 2. Sprinkle marshmallows over the top of the hot brownie; bake for 3-5 minutes more or until marshmallows are lightly browned. Sprinkle with nuts, candies and remaining cookies, pressing lightly into the softened marshmallows. Cool slightly on wire rack. Cut into wedges; serve warm or cool.