Elderberries anrrive after the flowers. You watch the blooms open in early summer and wait, knowing that the branches will soon become heavy with the small purple berry. The berries went into tinctures rather than jam, medicine for the months when the cold settled and sneezing seemed endless. This cookie starts where the waiting begins: butterfly pea flower dough, elderflower cordial folded through for fragrance, wrapped around a bright lemon curd center that cuts through the floral.