Greek Lasagna ? Recipe

Ingredients

• 6 tablespoons unsalted butter
• 3/4 cup all-purpose flour
• 1 quart whole milk, warmed until hot
• 1 1/2 teaspoons salt
• 3 large eggs
• main dish:
• 4 tablespoons unsalted butter
• 2 medium onions, chopped
• 2 pounds 90% lean ground beef
• 1/8 teaspoon ground cinnamon
• salt and pepper, to taste
• 1/2 cup water
• 2 tablespoons tomato paste
• 1 pound ziti pasta
• 3 large eggs, beaten
• 12 to 16 ounces Kasseri or Kefalotiri cheese, grated (see notes below)