Spinach clean, wash. Peel onions and garlic, dice finely. Fry garlic and half of the onions in 1 tbsp. hot oil. Cover the spinach and let it collapse. Season with salt, pepper and nutmeg. Drain if necessary
Cook the pasta in boiling salted water for 8-10 minutes until al dente. drain
Fry the rest of the onions in 1 tablespoon of hot oil until transparent. Add tomatoes and herbs. Season with salt and pepper. Bring to the boil and simmer over low heat for 8-10 minutes
Wash the fish, dab dry and cut in half. Mix 1-2 tablespoons of water and Citro-Essence and drizzle over the fish. Leave to stand for a while. Season the tomato sauce, mix with the noodles and spread in a greased flat casserole dish
Season the fish with salt and pepper and place it on the noodles. Spread spinach and cheese on top. Bake in the preheated oven (electric cooker: 175 °C/circulating air: 150 °C/gas: level 2) for 15-20 minutes