Prepare stuffing as directed on package, omitting the stand time. Press 1/4 cup stuffing onto bottom and up side of each of 12 muffin cups sprayed with cooking spray, forming 1/4-inch rim around top of cup. Place muffin pan on baking sheet.
Add 1 egg to each cup; top with apples, ham and cheese. Sprinkle with nuts.
Bake 20 min. or until whites are firm and yolks are cooked to desired doneness. Let stand 5 min. before serving.