Creamy Lasagna with Squash and Roast Pork

Ingredients

• 12 lasagna noodles 

• 2 1/2 cups (250 g) grated mozzarella cheese
• 1 1/2 lb (675 g) lean ground pork
• 1/3 cup (75 ml) olive oil
• 5 cups (1.25 litres) butternut squash, peeled, seeded and cubed (1 medium squash)
• 2 onions, thinly sliced
• 1/2 cup (125 ml) chicken broth
• 1/3 cup (75 g) butter
• 1/2 cup (75 g) unbleached all-purpose flour
• 2 cups (500 ml) chicken broth
• 2 cups (500 ml) milk
• 1 cup (70 g ml) Parmesan cheese, freshly grated
• ¼ tsp ground nutmeg