1Heat oven to 400°F. Spray 10-inch or 9 1/2-inch glass deep-dish pie plate with cooking spray.
2In large bowl, mix 2 cups of the cheese, the ham and uncooked macaroni. Spread in pie plate.
3In blender, place milk and eggs. Cover; blend on medium speed until smooth. Add Bisquick mix and salt; blend until smooth. Pour over mixture in pie plate.
4Bake 35 to 40 minutes or until knife inserted in center comes out clean. Sprinkle with remaining cheese. Bake 1 to 2 minutes longer or until cheese is melted. Let stand 10 minutes before serving. Sprinkle with parsley.