Pastitsio – Greek Meat and Macaroni Pie

Name: Pastitsio – Greek Meat and Macaroni Pie
Ingredients: 4 tbsp olive oil; 1 medium onion, finely chopped; 4 garlic cloves, finely chopped; 2 celery sticks, finely chopped; 1kg (2¼ lb) lean ground beef; 7fl oz (200 ml) red wine; 14 oz (400g) can chopped tomatoes; 2 tbsp tomato purée; 4 in (10 cm) piece cinnamon stick; ¼ tsp ground cloves; 1 tbsp dried oregano, Greek if possible; 2 tbsp fresh oregano, chopped; 3 fresh bay leaves; 3½ fl oz (100ml) water; 1½ tsp salt; freshly ground black pepper; For the pasta:; 8 tsp salt; 1 lb 2oz (500g) tubular pasta, such as rigatoni, tubetti or tortiglioni (I used Penne); 2 free-range eggs, lightly beaten; 1¾ oz (50g) Greek kefalotiri cheese or parmesan cheese, finely grated; 2 tbsp melted butter; ½ oz (10g) fresh white breadcrumbs; For the white sauce:; 4¼ oz (115g) butter; 4¼ oz (115g) plain flour; 1.2 litres (2 pints) whole milk, plus a little extra; ½ tsp nutmeg, freshly grated; salt and freshly ground black pepper, to taste