8 lasagna slices / 450 g frozen spinaches / 250 g ricotta cheese / 100 g grated parmesan cheese / 1 glass of milk / 1 mozzarella / salt

Boil the spinaches, drain them and blend them in the mixer. Add the ricotta, grated parmesan, milk and a pinch of salt, then mix everything together. To build the lasagna, cover the bottom of an oven tin with a spoonful of the spinach pesto, the add the lasagna slices. Pour some more spinach mix and spread it well, add some diced mozzarella. Continue adding more lasagna slices, the spinach mix and mozzarella until you have done 4 layers. Finish with some pesto and parmesan cheese. Cook in the oven at 150 C for 20 minutes then change to grill for 5 more minutes.