Grilled Tuna on Greens with Horseradish Dumplings and Red Wine Dressing

Tuna is looked on as the ‘meat’ of fish, cooked medium-rare to medium as for a fillet steak. With this in mind, I wanted to give it the garnish of a steak and serve it almost like roast beef- the greens and dumplings obviously being the garnishes for the beef and red wine the dressing for the steak. The dumpling recipe is really the same as the bone marrow dumpling from More Rhodes Around Britain with the addition of freshly grated horseradish. You will need this quantity of horse