Pastitsio an Ultra Comforting Pasta Bake Is the Sleeper Hit of Greek Easter Heres How to Make It

Name: Pastitsio, an Ultra-Comforting Pasta Bake, Is the Sleeper Hit of Greek Easter. Here’s How to Make It.
Ingredients: 2 tablespoons olive oil; 2 pounds ground beef, pork, lamb, or a combination; 2 tablespoons tomato paste; 1 (15-ounce) can tomato sauce (about 2 cups); 1 1/2 teaspoons kosher salt; 1/2 teaspoon freshly ground black pepper; 2 cloves garlic (optional); 1 bay leaf (optional); 1 teaspoon ground cinnamon (optional); 2 quarts (8 cups) whole milk; 4 large eggs; 2 sticks (1 cup) unsalted butter; 1 cup all-purpose flour; 2 teaspoons kosher salt; 1 cup grated Kefalotiri or Pecorino Romano cheese; 1/4 teaspoon ground nutmeg (optional); 1 1/2 pounds dried ziti pasta or pastitsio noodles; 4 tablespoons (1/2 stick) unsalted butter; 3/4 cup grated Kefalotiri or Pecorino Romano cheese