Juicy fish casserole

Ingredients for 4 servings:

• 4 slice(s) fish fillet(s) , (pollock fillet) or to taste
• 1 lemon(s), the juice
• 375 g onion(s), sliced
• 500 g tomato(s), sliced
• 150 g mushrooms, cleaned, sliced
• Salt
• pepper
• 50 g cheese, grated, according to taste
• olive oil

Instructions

Working time approx. 20 minutes; Total time approx. 20 minutes

Drizzle the fish with lemon, season with salt and pepper, and sauté the onions in olive oil until soft. Layer the fish, vegetables, and mushrooms in a greased baking dish. Season with salt and pepper. Cover and cook at 175 degrees Celsius (convection oven) for about 20 minutes. Then remove the lid, sprinkle with cheese, and bake until golden brown. Serve with boiled potatoes, jacket potatoes, or rice. A simple variation is to use boiled or jacket potatoes as the first layer. This makes a complete meal, quickly prepared for guests.