Beat egg with fork. Stir in milk, mustard and pepper. Combine crumbs with Parmesan cheese. Dip ham slices in egg mixture then in crumbs. Saute prepared ham slices in shortening until lightly browned on both sides.
Spoon rice into greased baking pan. Arrange ham slices on top.Top ham with cheese slices; cover with soup. Cover and bake at 375 for 20 minutes. A simple Sunday supper for 6! Servedpiping hot with celery and radishes or a quick green salad, it makes a perfect meal in minutes.