Peel and dice the onions, mix with the minced meat and eggs. Season with salt, pepper, paprika powder, mustard and ketchup to taste. Mix with breadcrumbs until you have a malleable mass for meatballs.
Shape the meat mixture into dumplings and place in a baking dish. Mix the tomatoes with the cream. Stir in the herbs, season with salt and pepper. Pour the liquid over the dumplings.
Cook in the oven at 200 ° C for about 45 minutes. This goes well with pasta or rice or a mixture of rice and vegetables.