Wash potatoes thoroughly and boil in water for 25-30 minutes
Heat the oil in a pot. Briefly braise the sauerkraut in it. Stir in the tomato paste and sweat it on. Add 3-4 tablespoons of water and braise everything for about 15 minutes. Season with salt and pepper
Grate cheese. Drain potato. Cut lengthwise in the middle and press apart a little. Fill with the sauerkraut and sprinkle with cheese and hazelnut leaves
Bake in the preheated oven (electric range: 225 °C / convection oven: 200 °C / gas: level 4) for 5-10 minutes. Wash and dab the lettuce leaf. Serve with tomato slices
Potatoes are ideal for the diabetes diet: because the carbohydrates always occur together with dietary fibre. This means that the blood sugar level increases only slowly