Peel onions and garlic. Chop the onions finely, press the garlic through a garlic press. Heat 1 tablespoon of oil in a saucepan. Fry the garlic and half of the onions in it, dust with a tablespoon of flour and sauté briefly. Add tomatoes and tomato paste, season with salt, pepper, thyme and oregano and bring to the boil while stirring. Simmer at low heat for about 15 minutes. Stir in between.
Clean, wash and drain the spinach. Heat 1 tablespoon of oil in a pot and fry half of the remaining onions. Add the spinach, let it collapse and steam covered for about 5 minutes. Season spinach with salt, pepper and nutmeg. If necessary, drain the spinach in a sieve. Clean and slice the mushrooms. Heat 2 tablespoons of oil in a large pan and sauté the remaining onions in it. Add the mushrooms and fry until golden brown, turning them over. Season with salt and pepper. Season tomato sauce with salt and pepper. Grease an oven dish and put 1/3 of the tomato sauce in the dish. Put 50 g flour on a plate and turn the escalopes in it. Place 3 escalopes slightly overlapping on the sauce and season with pepper.
Add the mushrooms and fry until golden brown, turning them over. Season with salt and pepper. Season tomato sauce with salt and pepper. Grease an oven dish and put 1/3 of the tomato sauce in the dish. Put 50 g flour on a plate and turn the escalopes in it. Place 3 escalopes slightly overlapping on the sauce and season with pepper. Spread 2/3 spinach and half of the mushrooms on top and cover with the remaining 3 escalopes, season with pepper. Spread the remaining spinach and mushrooms on top and cover with the remaining tomato sauce. Cover well with aluminium foil and braise in the preheated oven (electric range: 175 °C/ convection oven: 150 °C/ gas: level 2) for 2-2 1/2 hours. Drain mozzarella and cut into slices. Place on the tomato sauce 30-40 minutes before the end of cooking time and sprinkle with Gouda. Braise until the lasagne has a crispy cheese crust. Garnish with parsley
Spread 2/3 spinach and half of the mushrooms on top and cover with the remaining 3 escalopes, season with pepper. Spread the remaining spinach and mushrooms on top and cover with the remaining tomato sauce. Cover well with aluminium foil and braise in the preheated oven (electric range: 175 °C/ convection oven: 150 °C/ gas: level 2) for 2-2 1/2 hours. Drain mozzarella and cut into slices. Place on the tomato sauce 30-40 minutes before the end of cooking time and sprinkle with Gouda. Braise until the lasagne has a crispy cheese crust. Garnish with parsley
With 6 people: