Lasagna Bolognese recipe | AnnieCooking.com

Ingredients

• 2 tablespoons olive oil
• 1 pound ground beef
• 1 cup onion, finely chopped
• 1/2 cup carrot, finely chopped
• 1/2 cup celery, finely chopped
• 2 tomato sauce
• 1 cup beef broth
• 1/2 cup red wine
• Salt and pepper
• 5 tablespoons butter
• 4 tablespoons all-purpose flour
• 4 milk
• Nutmeg
• 12 lasagna noodles
• 2 Parmesan cheese, grated