1. Preheat oven to 350 degrees. Melt butter in large skillet on medium heat. Add celery; cook and stir 5 minutes or until crisp-tender. Stir in water. Bring to boil. Remove from heat. Stir in stuffing mix, cranberries and walnuts. Add 1 cup of the cheese and the egg; mix lightly. 2. Spoon stuffing mixture evenly into 8 greased medium muffin cups, mounding mixture as necessary to use all the stuffing mixture. Sprinkle with remaining 1/2 cup cheese. 3. Bake 10 minutes or until stuffing cups are heated through and cheese is melted.