To prepare a waldorf red velvet cake and frosting baked goods recipe, first you need to prepare your ingredients. First, you will need your flour, sugar, cocoa, baking powder, and salt. Then, add your dry ingredients to the wet ingredients and mix until the ingredients are well combined. Next, pour your batter into the prepared cake pan and bake it for 35 to 40 minutes at 350 degrees F. When the cake is done, remove it from the oven and let it cool for 10 minutes before frosting it.