Apple and Mustard Seed Relish

This recipe came from chatting with two of my chefs, Stuart and Wayne. We were looking for a relish that would eat well hot or cold with the Pork and Black Pudding Patties. Basically, we had left a patty to go cold and then tasted and realized it eats like a coarse pork pâté or terrine. Hence we needed a relish to go with it. Apples must be the most classic accompaniment to pork and mustard also works very well. The relish was horn. And if you try the reli