Spaghetti Pie
["6 oz. spaghetti, cooked and drained", "2 Tbsp. olive oil or butter", "2 large eggs, well beaten", "3/4 c. shredded Parmesan cheese, divided", "1 c. Ricotta cheese", "1 c. spaghetti sauce", "1/2 c. shredded Mozzarella cheese"]
["Preheat oven to 350\u00b0.", "Lightly grease a 10-inch pie plate. Set aside."]
["olive oil", "eggs", "Parmesan cheese", "Ricotta cheese", "spaghetti sauce", "Mozzarella cheese"]