Gratinated Sweet Potato Lasagna

Ingredients

• 1 kg sweet potatoes
• 400 g spinach
• 2 cloves of garlic
• 1 onion
• 400 g ricotta
• 100 g grated cheese
• 50 g butter
• 50 g flour
• 500 ml milk
•  Salt and pepper to taste

Instructions

1. 1 Preheat the oven to 200 degrees.
2. 2 Peel the sweet potatoes and slice them thinly.
3. 3 Finely chop the onion and garlic and sauté them in a pan with a little oil.
4. 4 Add the spinach to the pan and let it wilt. Season with salt and pepper.
5. 5 Meanwhile, make the bechamel sauce. Melt the butter in a pan, add the flour and stir well. Add the milk and continue stirring until you have a smooth sauce. Season with salt and pepper.
6. 6 Add the ricotta to the spinach and mix well.
7. 7 Build the lasagna by starting with a layer of sweet potato, followed by the spinach-ricotta mixture and then the bechamel sauce. Repeat until all ingredients are used.
8. 8 Sprinkle the lasagna with the grated cheese and bake in the oven for 30 minutes or until the cheese is golden brown.