[header] How to make a m&m brownie sundae cake [title] Place aluminum foil in and around two 9-inch cake pans. [step] Be sure that a little foil extends over the edges. This portion will help you pull out the cakes easier at the end. 
Get a little vegetable cooking spray and shoot a light film on the foil. [title] Look at the back of your brownie mix package and preheat your oven to the directions.