Greek Pastitsio - Recipe Fund

Ingredients

• 1 pound penne or macaroni pasta
• 1/4 cup olive oil
• 1 large onion, finely chopped
• 1 pound ground beef or lamb
• 1 can (14 oz) crushed tomatoes
• 2 teaspoons dried oregano
• Salt, pepper and nutmeg to taste
• 1 cup grated Parmesan cheese
• 1/2 cup unsalted butter
• 1/2 cup all-purpose flour
• 4 cups whole milk
• Salt and nutmeg to taste
• 3 large eggs, beaten