1) Crumble a small black pudding into a mixing bowl, add a good handful of breadcrumbs and one egg. Mix this all together gently with your hands.
2) Add half a chopped onion, a pinch of fresh or dried thyme and some salt and pepper.
Mix again.
3) Unroll the boned mutton breast and lay it flat.
4) Form the black pudding mixture into a rough sausage shape as long as the rolled breast and place in the centre
5) Carefully roll the breast around the black pudding, and tie around with butchers string three or four times.
6) Place in a baking tray and surround with whatever vegetables you are going to serve it with
7) Drizzle a little oil over the vegetables and meat
7) Bake at 160C until the meat is thoroughly cooked
8) Enjoy!