Brown the mince and season with bell pepper, salt and paprika.
Add the diced onions, minced garlic and mushrooms and sauté.
Pour the contents of the tomato can into a sieve and collect the juice, then make the tomatoes into a paste and add to the minced meat and onions, bring to the boil. Add the juice as well as the clear soup and season with the herbs and spices.
Alternate 3 noodles, sauce and a little cheese in a gratin dish on top of each other layers at the end a little cheese on top and bake at 220 ° C in about 20 minutes.