No-Crust Cheese and Spinach Pie

• ½ medium onion
• 1 pkg (10 oz/300 g)

Steel Blade: Process onion and spinach until minced. Add remaining ingredients except Parmesan cheese and process until blended, 10 to 15 seconds. Place in sprayed 9-inch glass pie plate. Sprinkle with Parmesan cheese. Bake in preheated 350°F oven about 30 minutes