Authentic Moussaka Recipe Greece, Europe

Name: Modern Style Greek Moussaka
Prep time: 1 h
Cook time: 30 min
Yield: 10 servings
Cuisine: Southeastern European
Ingredients: FOR THE VEGETABLES; olive oil, for brushing and extra for vegetables; 2 potatoes, cut into thin slices; 1 onion, cut into thin slices; 1 eggplant, cut into thin slices; 2 medium zucchini, cut into thin slices; salt; ground pepper; thyme; FOR THE GROUND MEAT MIXTURE; olive oil, for sautéing; 1 onion, minced; 1 clove of garlic, minced; 500 g ground beef; salt; ground pepper; 1/2 teaspoon cinnamon; a pinch of ground cloves; 1 tbsp tomato paste; 1 can chopped tomatoes; FOR THE BÉCHAMEL SAUCE; 750 ml milk; 3 egg yolks; 100 g all-purpose flour; 100 g butter; ground pepper; a pinch of ground nutmeg; 100 g grated parmesan