To prepare a snickers bar brownie cake baked goods recipe, first you need to prepare the ingredients. First, you'll need the following ingredients: Preheat the oven to 350?F (177?C) and grease and flour two 8-inch round cake pans. In another bowl, mix together the flour, cocoa, baking powder, salt and baking soda. Add the dry ingredients to the wet ingredients and mix until combined. Pour the batter into the prepared pan and bake the cake for 35 to 40 minutes or until the toothpick inserted in the center comes out clean.