I have to bake at least 3 dozen gluten free cupcakes for a birthday party next weekend. These will also need to be frosted. Am I better off purchasing a mix like Cherrybrook (recommended by a friend at the kids' school), or buying ingredients to make them from scratch? And if from scratch, does anyone have a good recipe to share? Preferably chocolate. We fortunately have no gluten issues in our household, and I have no clue on what would work best. Thank you in advance for any help.