Onions peel, 2 onions finely dice. Peel, wash and roughly dice carrots, turnip and potatoes.
Heat 1 tablespoon of oil in a large pot. Brown the onion cubes, vegetables and potatoes in it. Sprinkle with sugar and caramelise briefly. Season with salt and pepper. Pour a good 1⁄2 l water, bring to the boil, cover and cook for about 40 minutes.
Cut 2 onions into fine rings and mix with flour. Wash the chops and dab dry. Heat 2 tablespoons of oil in a frying pan. Fry the chops for 3-4 minutes on each side.
Coarsely mash vegetables and potatoes in the cooking water with a potato masher. Season the puree with salt and pepper, keep warm. Remove the chops and keep warm. Heat butter in the frying fat.
Fry the onion rings until crispy, turning them over. Arrange everything and sprinkle with the roasted onion rings.