Cheesy pork, pumpkin and spinach cannelloni

Ingredients

• Filling
• 3-4 tbsp olive oil
• 1 large onion, diced
• 400 gram free-range pork mince
• 1/4 cup white wine or verjuice
• 6-8 fresh sage leaves, shredded
• 1 teaspoon sea salt and grind of freshly ground black pepper
• 300 gram spinach, roughly chopped
• 50 gram Parmesan cheese, grated
• 500 gram pumpkin, cooked and mashed
• 2 fresh lasagne sheets, cut into four
• Sauce
• 50 gram butter
• 2 heaped tbsp flour
• 2 cup milk
• 1 bay leaf
• 1/2 teaspoon salt
• 1/4 teaspoon white pepper
• 1/4 cup white wine
• 100 gram Parmesan cheese, grated
• 4-5 basil leaves, for garnishing