Ina Garten's Pastitsio with Rich Flavors - Recipes by Clare

Ingredients

• 3 tablespoons olive oil
• 1 large yellow onion, diced
• 1 pound lean ground beef
• 1 pound lean ground lamb (can substitute for pork)
• 1/2 cup dry red wine
• 1 tablespoon minced garlic (3 large cloves)
• 1 tablespoon ground cinnamon
• 1 teaspoon dried oregano
• 1 teaspoon fresh thyme leaves
• Pinch of cayenne pepper
• 1 can (28 ounces) San Marzano tomatoes
• Kosher salt and freshly ground black pepper
• 2 1/2 cups low-fat milk
• 4 tablespoons unsalted butter
• 1/4 cup all-purpose flour
• 1/4 teaspoon freshly grated nutmeg
• Salt and freshly ground black pepper
• 1 1/2 cups freshly grated Parmesan, divided
• 2/3 cup Greek yogurt
• 3/4 pound small shells or ziti noodles
• Shredded mozzarella