Irish Heart Low-Fat Lasagne

Ingredients

• 450g/1 lb lean minced beef
• 1 large onion, finely chopped
• 5 large cloves garlic, finely chopped
• 1 stick celery, finely chopped
• 1 large carrot, finely chopped
• 375ml/13 fl oz beef/chicken stock
• 400g/2 x 14 oz cans chopped tomatoes
• 1 teaspoon dried oregano/mixed herbs
• 1 bay leaf
• ½ teaspoon dried nutmeg
• 1 tablespoon tomato puree
• 100ml/4 fl oz water
• A little salt and freshly ground black pepper
• 600ml/1 pint low-fat milk
• 1 small onion, peeled and studded with 3 whole cloves
• 2 tablespoons cornflour
• 3 tablespoons cold low-fat milk
• 1 teaspoon mustard of your choice
• A little grated Parmesan/low-fat cheese
• 9-12 lasagne sheets