We clean the onion and the pepper, we wash them, we chop them and we put them on medium heat together with the plain water, the bay leaf and the vegetables from the jar.
Let it boil for 10 minutes, then add the mashed tomatoes and continue to boil the soup.
In a bowl, beat eggs with flour, add freshly ground red pepper.
The obtained mixture is poured into a clean bag, we cut the end of the bag, obtaining a very small hole, through which we let the composition of the cast drain into the boiling soup.
Let it boil for a few minutes, turn off the heat, sprinkle with freshly chopped green dill and serve.