Heat oven to 350 degrees. Grease you muffin pan. Mix thoroughly shortening, sugar, and egg. Stir in flour, baking powder, salt, and nutmeg alternating with milk. Fill muffin cups 2/3 full. Bake 20-25 minutes.
Topping: mix the sugar and cinnamon. Immediately after baking roll the muffins in melted butter, then in cinnamon-sugar mix. Serve hot.