Mix shortening, sugar and egg. Mix dry ingredients then mix alternately with milk into egg mixture. Fill muffin cups 2/3 full after they have been sprayed with oil. (Do not use muffin papers) Bake at 350 degrees for 15 to 20 minutes. Mix 1/3 cup sugar, 1 tsp cinnamon, 1/2 cup butter melted and brush muffin tops with this mixture as soon as they are out of the oven.