Clean, wash and cut the soup vegetables into large pieces. Peel and slice the onion. Clean, wash and halve 100 g tomatoes. Wash the rosemary, dab dry and pluck the needles from the stalks.
Peel the garlic. Wash the meat and dab dry with kitchen paper. Score the leg crosswise with a sharp knife. Rub with salt and pepper. Place on a fat pan. Mix rosemary, soup vegetables, onion, bay leaf, garlic, tomatoes and oregano.
Spread around the club. Roast in the preheated oven (electric cooker: 175 °C/ convection oven: 150 °C/ gas: stage 2) for 1 3/4-2 hours. Deglaze gradually with 750 ml broth. In the meantime, clean and wash the cabbage and cut into wide strips.
Peel and finely chop the onion. Clean, wash and roughly dice 500 g of tomatoes. Clean, wash and halve the potatoes thoroughly. Heat 2 tablespoons of oil in a large frying pan and fry the potatoes for about 20 minutes at medium heat, turning them over.
Then season with salt and pepper. Heat 2 tablespoons of oil in a casserole dish, sauté the onion until transparent. Add cabbage and fry vigorously while turning. Add the tomatoes and fry briefly.
Deglaze with 100 ml broth and braise over medium heat for about 8 minutes. Season to taste with salt and pepper. Remove the roast from the oven, pour the gravy through a sieve and bring to the boil in a pot.
In the meantime, stir the starch and 3 tablespoons of water until smooth. Stir into the boiling gravy and bring to the boil again. Season to taste with salt and pepper. Serve the roast, vegetables and potatoes on a plate.
Serve garnished as desired with chervil, rosemary, oregano and basil. Serve with extra sauce.