Cinnamon Muffins

In a large bowl, cream shortening and sugar until light and fluffy, 5-7 minutes. Beat in egg. Combine the flour, cinnamon, baking powder, salt and nutmeg; add to creamed mixture alternately with milk until well combined. , Fill greased muffin cups half full. Bake at 350° for 15-20 minutes or until a toothpick comes out clean., For topping, add melted butter to a shallow bowl. In another shallow bowl, combine sugar and cinnamon. Dip muffin tops in butter, then in cinnamon-sugar. Serve warm.