PLACE 6 of the bread slices in 13x9-inch baking pan sprayed with cooking spray. Cover with layers of half each of the sausage, apples and process cheese. Repeat layers.
BEAT eggs, milk and seasonings with wire whisk until well blended. Pour over process cheese slices. Gently press remaining 6 bread slices into liquid to completely cover bread slices; cover. Refrigerate several hours or overnight.
PREHEAT oven to 350°F. Bake 50 min. to 1 hour or until knife inserted in center comes out clean. Let stand 10 min. before cutting to serve.