Greek Pastitsio - Akis' baked pasta | Akis Petretzikis

Ingredients

• 750 g ground beef
• 2 onions
• 1 clove(s) of garlic
• 1 teaspoon(s) thyme
• 4 tablespoon(s) olive oil
• 1 tablespoon(s) granulated sugar
• 2 tablespoon(s) tomato paste
• 100 ml red wine
• 400 g canned tomatoes
• 1 teaspoon(s) cinnamon
• 2 beef bouillon cubes
• 2 bay leaves
• 1/2 bunch parsley
• 100 g butter
• 100 g all-purpose flour
• 1 liter whole milk
• salt
• pepper
• 1/2 teaspoon(s) ground nutmeg
• 100 g gruyere cheese
• 3 egg yolks
• 300 g bucatini pasta
• 30 ml olive oil
• 1/2 bunch thyme
• 2 eggs
• 200 g feta cheese
• 50 g gruyere cheese