Soak the roll in the warm milk for 1/2 hour, squeeze it out well and pick it up.
Steam the onion cubes in the hot oil for 5 minutes until they are soft, then let them brown slightly towards the end, add the garlic cubes for 1-2 minutes and stir in the parsley. Mix the mixture with the minced meat and spices. Shape the dough into small meatballs. Grill these on the grill or in a pan (with oil) for 4 minutes on each side.
Yogurt sauce:
Mix all ingredients together and let steep for at least 1 hour.