Wash the potatoes and cook in boiling water for about 20 minutes. Peel and chop the onion. Heat 1 teaspoon of oil and fry the onion for about 5 minutes, turning. Peel the potatoes and mash them in a bowl with a fork. Add quark, onion and flour and mix to a smooth dough. Season with salt and nutmeg
Form the potato dough into 2 meatballs. Heat 1 tablespoon of oil in a frying pan and fry the potato legs for about 5 minutes until golden brown
Sort the rocket, wash and shake dry. Clean, clean and slice the mushrooms. Clean, wash, shake dry and cut into strips. Wash and chop strawberries. Whisk vinegar and mustard, season with salt and pepper and stir in 1 tablespoon of oil drop by drop
Mix rocket, mushrooms, strawberries, chicory and vinaigrette. Arrange potato legs and salad