Peel, wash and quarter the rutabaga and cut it into slices about 1⁄2 cm thick. Cut the vanilla pod lengthwise and scrape out the pulp.
Onions peel, finely dice. Cut the chilli lengthwise, remove seeds, wash and cut into fine rings. Caramelise 50 g sugar in a pan or wide pot until golden. Add onions and chilli.
Add vinegar, bring to the boil, simmer over medium heat for about 20 minutes until the liquid thickens slightly. Season to taste with salt and pepper.
Wash the meat, dab dry. Cut into pieces of about 6 cm length. Wash thyme, dab dry and remove leaves. Heat 3 tbsp. clarified butter in a roasting pan. Brown the meat thoroughly all around.
Preheat the oven (electric cooker: 100 °C/circulating air and gas: see manufacturer). Season meat with salt and pepper. Add thyme. Add 200 ml water and bring to the boil. Cook the saddle of venison in a hot oven for 20-25 minutes.
Heat 2 tablespoons of clarified butter in a wide saucepan. Brown the turnip in it. Season with salt, pepper and 1 pinch of sugar. Add vanilla pulp and 200 ml water, bring to the boil and cook for 10-12 minutes. Stir the crème fraîche into the cooking stock and season again.
Serve the meat with some gravy, turnips and onion confit. Spätzle go well with it.