Lasagna

Ingredients

• 1 1/2 pounds ground veal
• 1 1/2 pounds ground beef
• 1 tablespoon olive oil
• 1 medium onion, minced
• 1/4 teaspoon red chili flakes
• 1/8 teaspoon freshly grated nutmeg
• 1 sprig rosemary
• 3 bay leaves
• 1 glass (4 ounces) dry white wine
• 3 ounces tomato paste
• 1/2 cup milk
• 1/2 cup beef stock
• 1 medium carrot, peeled
• salt and sugar to taste
• 300g frozen chopped spinach, thawed and drained
• 500ml whole milk ricotta
• 3 cups (or so) all-purpose flour
• 3 eggs
• 1/4 cup butter
• 1/4 cup all-purpose flour
• 4 cups whole milk, warmed
• 1/2 teaspoon freshly grated nutmeg
• 1/4 cup Parmesan cheese, grated
• salt to taste