Wash the rosemary and shake dry. Set aside 2 sprigs, remove needles from the remaining rosemary and chop finely. Peel the garlic. Put the rosemary, lemon zest, sea salt and pepper in a mortar and crush everything finely. Stir in lemon juice and 2 tablespoons of oil. Peel and chop the onion
Wash chickens inside and outside, dab dry. Push the herb mixture under the skin on the breast and legs, distribute well. Rub chicken with salt on the inside and outside. Tie legs and wings together with kitchen string. Spread onion and remaining rosemary twigs in a roaster and place chicken on top. Cover and cook in a preheated oven (electric cooker: 175 °C/ convection oven: 150 °C/ gas: see manufacturer) for approx. 1 hour
Clean the cabbage, wash it, quarter it, cut out the stalk. Cut or slice the cabbage into fine strips. Mix cabbage and 1 teaspoon salt in a large bowl and knead well with your hands. Coarsely chop the walnuts. Caramelise the sugar in a pan. Turn the nuts in it. Deglaze with 100 ml hot water, bring to the boil. Mix in vinegar and 4 tbsp. oil, season with pepper. Let cool and pour over the red cabbage. Mix everything and let it stand
Halve the pumpkin and scrape out the seeds. Peel and chop the pumpkin. Wash, peel and chop the potatoes. Cover and cook both in boiling salted water for about 20 minutes. Melt 60 g butter, remove from heat and stir in the paprika. Take the chicken out of the oven and spread with half of the paprika butter. Increase the oven temperature (electric cooker: 225 °C/ circulating air: 200 °C/ gas: see manufacturer) and cook the chicken for about 30 minutes. After half the cooking time, brush with the remaining butter
Drain the potato-pumpkin mixture, let it evaporate briefly. Add 3 tablespoons butter and milk, crush everything coarsely. Season to taste with salt and nutmeg. Wash parsley, shake dry. Pluck off leaves and chop. Season salad again and sprinkle with parsley. Serve chicken with salad and mashed potatoes