Greek Pastichio Recipe

Name: Greek Pastichio Recipe
Ingredients: 1 tablespoon olive oil; 1 large onion, diced; 2 cloves garlic, crushed; 1 ½ pounds ground beef; Salt and pepper, to taste; 1 teaspoon dried oregano; ½ teaspoon ground cinnamon; Pinch of ground nutmeg; Pinch of ground cloves; 1 bay leaf; ¾ cup red wine; 1 (14-ounce) can chopped tomatoes; 1 tablespoon tomato puree; ½ cup beef stock; 1 tablespoon butter, softened; 14 ounces bucatini pasta; 1 large egg, room temperature, whisked; ½ cup grated Parmesan; 5 ounces butter; 5 ounces all-purpose flour; 2 ½ pints whole milk; Pinch of nutmeg; 2 large eggs, room temperature; ¾ cup crumbled feta