Traditional Moussaka recipe with eggplants (aubergines) and potatoes - My Greek Dish

Ingredients

• 6 eggplants
• 5 potatoes (optional)
• vegetable oil (for frying the eggplants)
• 750g beef or lamb mince (26 oz)
• 2 red onions (chopped)
• 2 cloves of garlic (chopped)
• 1 tin chopped tomatoes (400g / 14oz)
• 2 tbsp tomato paste
• 1 teaspoon sugar
• 1 glass of red wine
• Pinch of sea salt and freshly ground black pepper
• 1 bay leaf
• 3-4 whole cloves (optional)
• A pinch of cinnamon or one cinnamon stick
• 1/4 of a cup olive oil
• 900ml milk (31 fl.oz)
• 120g butter (4 oz)
• 120g flour (4 oz)
• a pinch of nutmeg
• 2 egg yolks
• 100g Parmigiano-Reggiano or Kefalotyri or your favourite hard cheese (3.5oz)
• salt to taste