Wash and clean the potatoes thoroughly and cut them into slices. Mix in a bowl with 3 tablespoons of oil and sea salt. Spread on a baking tray and bake in a preheated oven (electric cooker: 200 °C/ convection oven: 175 °C/ gas: see manufacturer) for 35-40 minutes. Peel and wash the beans. Blanch the bean seeds in boiling water for about 6 minutes, remove. Then remove the white skin from the beans
Soak rolls in cold water. Peel onions and garlic and dice finely. Squeeze the bread roll well. Knead with minced meat, tomato paste, mustard, egg, 1 teaspoon salt, pepper and half of each onions and garlic. Form approx. 8 meatballs from the mixture. Heat 2 tablespoons of oil in a large frying pan, fry the meatballs for about 10 minutes, turning them several times
Wash, clean and halve the tomatoes. Wash parsley, shake dry. Pluck off leaves and chop finely, except for something to garnish. Heat 2 tablespoons of oil in a frying pan. Sauté the remaining onions, garlic and beans for 2-3 minutes. Add the tomatoes and cook for another 2 minutes. Season to taste with salt, pepper and sugar. Stir in parsley. Wash mint, dab dry and chop finely. Mix with yoghurt, season with salt and pepper. Take the potatoes out of the oven. Serve the meatballs with bean vegetables and potatoes. Serve with mint yoghurt and garnish with parsley