Beef and Potato Moussaka Recipe 3

Name: Beef and Potato Moussaka Recipe 3
Ingredients: 1 pound ground beef; 1 medium onion, chopped; 1 g arlic clove, minced; 3/4 cup water; 1 can (6 ounces) tomato paste; 3 tablespoons minced fresh parsley; 1 teaspoon salt; 1/2 teaspoon dried mint, optional; 1/4 teaspoon ground cinnamon; 1/4 teaspoon pepper; Parmesan sauce:; 1/4 cup butter, cubed; 1/4 cup all-purpose flour; 2 cups milk; 4 eggs, lightly beaten; 1/2 cup grated parmesan cheese; 1/2 teaspoon salt; 5 medium potatoes, peeled and thinly sliced