Cranberry, sour cherry, apple and sage relish

Do you have any idea how hard it is to find frozen cranberries a week before Christmas? There was more chance of the dust at the bottom of my wardrobe self organising and marching up the vacuum cleaner hose while I was asleep, than me laying my hands on a box of these little puppies. All the clever cooks had bought their frozen cranberries in August and were laughing smugly behind their trolleys