Peel and finely dice the onions. Heat 2 tablespoons of oil in a frying pan, add diced onions, except for 1 tablespoon, and fry until translucent while turning. Meanwhile wash marjoram, shake dry, pluck leaves from the stalks and chop coarsely. Add to the onions and steam briefly. Season with salt and pepper. Remove from the stove
Wash the meat, dab dry. Place on a board with the skin side down. Season inside with salt and pepper. Spread onions on top. Fold up the meat and tie with kitchen string
Heat 2 tablespoons of oil in a frying pan and fry the meat thoroughly all around. Deglaze with Federweisser and stock, bring to the boil. Cover and cook in the preheated oven (electric cooker: 175 °C/ convection oven: 150 °C/ gas: see manufacturer) for approx. 1 3/4 hours. Wash apples. After half the roasting time, remove the lid, spread the apples around the roast, continue cooking
In the meantime dice bacon finely. Halve the pumpkin, remove the seeds with a tablespoon. Pumpkin clean, wash and roughly dice. Peel and wash the potatoes and cut them into halves or quarters, depending on their size. Cook pumpkin and potatoes in boiling salted water for 20-25 minutes
Wash parsley, shake dry and chop finely. Leave bacon in a pan until crispy. Add 1-2 tbsp. oil, heat briefly, add remaining onions, sauté briefly, season with pepper
Remove the roast from the oven, lift the roast and apples from the roasting set, keep warm. Bring the roast stock to the boil, stir in the sauce thickener, bring to the boil while stirring. Season with salt, pepper and sugar. Keep warm
Heat milk and fat. Drain the potato mixture, allow the milk mixture to run in, mash roughly with a potato masher. Season to taste with salt and nutmeg
Cut the roast open. Roast with some sauce, mashed potatoes and pumpkin, an apple, some bacon and sprinkled with parsley, possibly garnish with parsley leaf on plates. Remaining roast,