Traditional Lasagna - Canadian Beef

Ingredients

• 1 pkg (375 g) oven-ready lasagna noodles, about 16 sheets
• 1 container (475 g) ricotta cheese
• 3 eggs, beaten
• 3 tbsp butter
• ¼ cup all-purpose flour
• 3 ½ cups milk
• 1 bay leaf
• ½ tsp EACH salt and freshly ground pepper
• Pinch nutmeg
• 2 tbsp olive oil
• 1 onion, chopped
• 3 cloves garlic, minced
• 1 large carrot, shredded
• 2 stalks celery, chopped
• 2 tsp dried oregano leaves
• 1 tsp salt
• ½ tsp chili pepper flakes
• 1-1/2 lb (750 g) medium ground beef
• ½ cup dry red wine
• 2 cans (EACH 796 mL/28 oz) crushed tomatoes
• 2 tbsp tomato paste
• 4 cups shredded mozzarella cheese
• ¼ cup grated Parmesan cheese