Place the new potatoes in a pan, cover with salted water and three-quarter cook (10-12 minutes). Drain and refresh under cold water until cool. While the potatoes are cooking, wash trim and cut the celery, leek, and courgette crossways in to 2cm rounds at an angle. Leave the asparagus and onions whole. Lightly season the vegetables and brush with olive oil.

Preheat a griddle pan. Slice the new potatoes lengthways into quarters and fry them with the vegetables on the griddle to create a criss-cross effect. Remove and place on oven tray to reheat later.

Preheat oven to 200C/400F/gas mark 6. Heat the remaining olive oil and 1oz of the butter in a heavy based frying pan. Season the grouse and seal on all sides of the pan. Place in a roasting tray and cook in the oven for about 20 minutes. Leave to rest for approximately 5 minutes.

To make the sauce, peel and finely shred the shallots. Melt the remaining butter in a saucepan, add the shallots and thyme and cover. Cook for about 2 minutes, until just transparent. Add the Madeira and the game or beef jus and bring to the boil. Strain and set aside.

Grill the black pudding on both sides until cooked and crispy. Place on kitchen paper to drain for a few seconds. While the black pudding is cooking, place the vegetables back into the oven for 2 - 3 minutes to reheat.

To assemble the dish, place a slice of black pudding in the centre of each plate and arrange some vegetables and potatoes around it. Place the grouse next to the black pudding. Season the sauce and spoon over.