Spinach carefully sorted and washed. Peel and finely chop the onion and garlic. Heat the oil in a pot. Fry the onion and garlic until transparent. Add the spinach and let it collapse while stirring. Season with lemon juice, salt and pepper
Spread bread and herb butter. Spread the well drained spinach on top. Cut the mozzarella into small slices. Finally, sprinkle the spinach with pine nuts. Bake in the preheated oven (electric cooker: 225 ° C/ gas: level 4) for approx. 10 minutes