Homemade Lasagne - Douglas Willis

Ingredients

• 2 onions, peeled and chopped
• 2 carrots, peeled and chopped
• 1 red pepper, de-seeded and chopped
• 400g tin chopped tomatoes
• 500g passata sauce
• 3 cloves garlic, peeled and chopped
• 1kg lean mince beef
• Lasagne sheets
• 200g cheddar, grated
• 50g butter
• 50g flour
• 1-pint milk
• 2 bay leaves
• 200g mature cheddar or Parmesan, grated