Combine sugar, shortening and salt. Add egg and beat well. Stir in milk. Mix 1 1/2 cups flour, cinnamon and baking powder. Stir into other mixture and blend; batter will be lumpy. Coat apples using remaining 1/2 cup flour and add to mixture, blending carefully. Fill greased muffin tins about 2/3 full. Sprinkle with combined brown sugar and cinnamon. Bake at 400 degrees for 20-25 minutes or until golden brown. Serve warm.