Make sure you butter and flour the parchment paper after putting it on the jelly roll pan. This will make it easier to remove the paper from the cake when baked. Always thoroughly clean and dry your electric mixer beaters before using them for another procedure-especially when working with egg whites. If the beaters have any residue or water on them, the egg whites will not form as needed. You can decorate the yule log with meringue mushrooms, flowers, and leaves.