To prepare a carrot cupcakes with white chocolate cream cheese icing recipe, first you need to prepare the cupcake batter. First, you'll want to make sure that you have all of the ingredients you will need. You can find these ingredients at your local grocery store, or you can make them at home. Then, add the dry ingredients to the wet ingredients and mix until the batter is just combined. If you don't have any carrots, use any other type of cake, such as vanilla or chocolate.