Pastitsio recipes

Name: Pastitsio recipes
Ingredients: 3 tbs good olive oil; 1 large yellow onion, diced; 1 lbs lean ground beef; 1 lbs lean ground lamb; 1/2 cup dry red wine; 1 tbs minced garlic (3 large cloves); 1 tbs ground cinnamon; 1 teas dried oregano; 1 teas fresh thyme leaves; Pinch of cayenne pepper; 1 28 oz can crushed tomatoes in puree; salt; pepper; 1 1/2 cups whole milk; 1 cup heavy cream; 4 tbs unsalted butter; 1/4 cup flour; 1/4 teas freshly grated nutmeg; 1 1/2 cups freshly grated Parmesan; 2 extra-large eggs, beaten; 2/3 cup plain Greek yogurt; 3/4 lbs small shells