How to Decorate a Gingerbread House

After your candy decorations are at the ready, fill a pastry bag with royal icing. Follow these steps for filling a pastry bag. Keep the pastry bag tip covered with a damp (but not wringing wet) paper towel at all times when not in use, otherwise the icing will harden like cement. If your royal icing has sat awhile and is too goopy, rewhip it to the right consistency.