Step-by-Step Instructions

1. 1.Cut Marrows

   Cut the marrows into slices.

2. 2.Peel Carrots

   Peel the carrots.

3. 3.Slice Carrots

   Slice the peeled carrots into thin layers using a peeler.

4. 4.Fry Marrow Slices

   Heat a pan with a little olive oil. Fry the marrow slices until slightly golden on both sides. Remove them from the pan and set aside.

5. 5.Cook Carrot Slices

   In the same pan, add a little more olive oil if needed. Cook the carrot slices until soft and slightly browned. Remove them from the pan and set aside.

6. 6.Cook Spinach

   Add 200g of spinach to the pan and cook until wilted. Remove from pan and set aside.

7. 7.Chop Garlic

   Chop the garlic very finely.

8. 8.Chop Onion

   Chop the onion very finely.

9. 9.Prepare Sauce Base

   Heat a pan with olive oil. Add the chopped onion and garlic and fry until soft.

10. 10.Season Sauce Base

    Season the onion and garlic with salt and pepper.

11. 11.Simmer Tomato Sauce

    Add 400g of tomato polpa to the pan. Simmer the sauce for about 30 minutes, stirring occasionally, until it thickens.

12. 12.Add Basil to Sauce

    Add fresh basil leaves to the tomato sauce and stir.

13. 13.Prepare Ricotta Mixture

    In a bowl, add 400g of ricotta and mix it well with a fork.

14. 14.Add Spinach to Ricotta

    Add the cooked spinach to the ricotta and mix thoroughly.

15. 15.Add Milk to Ricotta Mixture

    Pour 250g of fresh milk into the ricotta and spinach mixture and mix until well combined.

16. 16.Cook Lasagna Sheets

    Boil water in a pot with 1 tsp of salt. Cook the lasagna sheets one at a time for about 2 minutes each. Remove and set aside.

17. 17.Prepare Lasagna Dish

    To assemble the lasagna, drizzle a little olive oil on the bottom of a lasagna dish. Spread a thin layer of tomato sauce.

18. 18.First Lasagna Layer

    Place a layer of cooked lasagna sheets over the sauce.

19. 19.Add Marrows and Parmesan

    Arrange a layer of fried marrow slices over the lasagna sheets. Sprinkle parmesan cheese over the marrow layer.

20. 20.Add Ricotta and Sauce

    Spread a layer of the ricotta and spinach mixture. Add another layer of tomato sauce.

21. 21.Second Lasagna Layer

    Place another layer of lasagna sheets.

22. 22.Add Carrots and Parmesan

    Arrange a layer of cooked carrot slices. Sprinkle parmesan cheese over the carrot layer.

23. 23.Add Ricotta and Sauce (Repeat)

    Spread a layer of the ricotta and spinach mixture. Add another layer of tomato sauce.

24. 24.Third Lasagna Layer

    Place another layer of lasagna sheets.

25. 25.Add Marrows and Parmesan (Repeat)

    Arrange a layer of fried marrow slices. Sprinkle parmesan cheese over the marrow layer.

26. 26.Add Ricotta and Sauce (Repeat)

    Spread a layer of the ricotta and spinach mixture. Add another layer of tomato sauce.

27. 27.Final Lasagna Layer

    Place the final layer of lasagna sheets.

28. 28.Final Topping

    Arrange a layer of fried marrow slices. Sprinkle parmesan cheese generously over the top.

29. 29.Drizzle Olive Oil

    Drizzle olive oil over the entire lasagna.

30. 30.Bake Lasagna

    Bake in a preheated oven at 200°C (392°F) for 40 minutes, or until golden brown and bubbly.

31. 31.Serve

    Remove from oven, let it rest for a few minutes, then slice and serve. Garnish with fresh basil if desired.