Preheat oven to 350 F. Combine brownie mix, flour, water, oil and egg; beat 50 strokes by hand. Place parchment paper on 15 inch baking stone. Pour brownie mixture on paper and spread into a 14 inch circle. Bake for 15 to 20 minutes. Do not overbake. Immediately sprinkle with marshmallows, candy coated M&M's. Cool for 20 minutes. Drizzle with ice cream topping. Cool completely. Cut into squares to serve. Makes 16 servings.
By Robin