Lasagne Al Forno - Filippo Berio

Ingredients

• 1 quantity of Classic Ragu Sauce
• 1 quantity of Bechamel Sauce
• 300g precooked lasagne sheets
• 100g Parmesan cheese, freshly grated
• 4 tbsp Filippo Berio Olive Oil
• 100g pancetta or chopped bacon
• 1 large carrot, peeled and finely chopped
• 1 celery stalk, finely chopped
• 1 onion, peeled and finely chopped
• 2 garlic cloves, peeled and finely chopped
• 250g minced lean veal or beef
• 250g minced pork
• 75ml dry white or red wine
• 2 tbsp Cirio Tomato Paste
• 3 x 400g cans Cirio Plum Tomatoes
• 85g butter
• 85g plain flour
• 750ml milk
• Pinch of nutmeg