Cannelloni di Carne (Beef Cannelloni) Recipe

Ingredients

• 4 fresh lasagne sheets, cut in half widthways, or 8 dried cannelloni tubes
• 10g of Parmesan, finely grated
• 3 tbsp of olive oil
• 500g of beef mince, or 250g of beef mince and 250g of pork mince
• 1 onion, finely diced
• 2 garlic cloves, sliced
• 1 stick of celery, finely diced
• 100ml of red wine
• 1 bay leaf
• 2 400g tins of chopped tomatoes
• 75ml of whole milk
• salt
• freshly ground black pepper
• 25g of butter
• 25g of flour
• 380ml of whole milk, warmed
• freshly grated nutmeg
• 1 dash of white wine vinegar