Wash the potatoes thoroughly and cook in boiling water for 20-25 minutes. Then drain, rinse, peel and let the potatoes cool down
Soak rolls in cold water. Peel and finely dice the onions. Squeeze the bread roll. Knead minced meat, roll, egg, mustard, half of the onions, 1 tsp salt and 1/2 tsp pepper with the dough hooks of the hand mixer. Form approx. 8 meatballs from the minced meat mixture and chill them
Peel garlic and chop very finely. Mix feta cheese, sour cream, milk, garlic and remaining onion cubes. Season well with salt and pepper. Clean, wash and halve the tomatoes. Clean, wash and drain the lamb's lettuce well. Wash and peel the cucumber, halve it lengthwise and cut into slices. Cut potatoes into slices. Mix all ingredients carefully in a large bowl. Leave to stand for approx. 30 minutes
Heat the oil in a large pan and fry the meatballs on each side for about 4 minutes at medium heat. Mustard tastes good with it
Waiting time approx. 1 hour