Cook the bread dumplings in salted water according to the instructions on the package.
In the meantime, peel the onion and dice it finely. Wash, clean and slice tomatoes.
Preheat the oven to 200 ° C (fan oven: 200 ° C).
Cut the finished dumplings into slices, layer them alternately with tomatoes and meat loaf in a greased baking dish.
Mix the cream with the diced onion, salt, pepper and frozen herbs, pour over the dumplings. Sprinkle with cheese. Bread dumplings gratin in the oven for about 15 minutes.
Cut the chives into rolls, sprinkle over the gratin and enjoy!