Preheat oven to 350 degrees. Lightly grease 12 muffin cups.In a large bowl stir together flour, baking powder, salt, and nutmeg. Set aside. In a different bowl, cream together 1 cup sugar and shortening. Then add eggs and mix again. Add flour mixture and milk alternately to creamed mixture, beating well after each addition.Fill prepared muffin cups 2/3 full. Bake at 350 degrees for 20-25 minutes or until golden.In a bowl, melt 2 sticks butter. In a separate bowl combine remaining sugar and cinnamon. Dip baked muffins in butter, coating thoroughly, then coat with cinnamon-sugar mixture.