SWEET POTATO AND PESTO LASAGNE

Ingredients

• 100 g Lurpak® Salted Cultured Butter and extra for greasing
• 3 banana shallots, finely chopped
• 2 bay leaves
• 100 g plain flour, sieved
• 600 ml whole milk
• 400 ml vegetable stock
• empty unit Whole nutmeg, grated
• empty unit salt and black pepper
• 100 g Lurpak® Salted Cultured Butter, melted
• 100 g fresh basil leaves
• 100 g pine nuts
• 50 g grated parmesan cheese
• 2 large garlic cloves
• 16 dried lasagne sheets
• 1 kilo sweet potatoes, peeled and cut into thin slices
• 80 g freshly grated parmesan cheese
• empty unit Freshly ground black pepper
• 100 g ricotta cheese
• empty unit Fresh salad