Cover the potatoes and boil them in water for 15-20 minutes. Peel and wash carrots and celery and cut or grate them into very fine strips. Mix vinegar, salt, pepper and 1 pinch of sugar. Fold in the oil.
Mix with the vegetable strips.
Roughly chop the nuts. Pluck bread into small pieces. Wash herbs, shake dry and chop. Peel onion and chop finely. Drain, rinse and peel the potatoes.
Roll out the oven cheese, place back in the box and bake in the preheated oven (electric oven: 200 °C/air circulation: 175 °C/gas: level 3) for 10-12 minutes.
Roast the nuts in a pan without fat, remove. Heat 2 tablespoons of fat in a frying pan. Fry the potatoes in it all around for about 10 minutes. Fry bread and onion for about 5 minutes. Season with salt and pepper.
Mix in the herbs. Pour everything into a greased casserole dish. Cut open the cheese rind and spread the liquid cheese inside over the potatoes. Bake in the oven at the same temperature for about 10 minutes.
In the meantime, sort out the spinach, wash and shake dry. Add nuts and spinach to the vegetable salad, season again. Arrange potatoes and salad.