Brownies just got better, richer and thicker!!!! You'll Need: Nonstick Foil 9x9 pan Jumbo Hershey Bars For a homemade brownie recipe, try this delicious one! Hershey's Stuffed Brownies Ingredients 1 box mix brownies or a recipe for brownies using 9x9 pan 2 Extra Large Hershey Bars, 4.4 ounces each Instructions Prepare brownies according to box