Peel and chop the turnip and 2 onions. Peel, wash and chop the potatoes. Heat 2 tablespoons of butter in a saucepan. Sauté prepared vegetable cubes for about 10 minutes. Pour on stock and white wine, bring to the boil and cook vegetables for about 20 minutes until soft. Finely chop the vegetables with a hand blender. Wash the thyme, dab dry and remove the leaves from the stems. Season soup with salt, pepper and thyme. Refine with cream
In the meantime heat oil in a pan. Fry the sausages for about 5 minutes, turning them over. Peel the remaining onion and cut into rings. Season onion rings with salt and dust with flour. Heat 1 tbsp. butter in a pan and fry the onion rings until crispy, turning them over
Arrange soup and sausages and sprinkle with onion rings