Combine biscuit mix, sugar and cinnamon. Add applesauce, milk, egg, and cooking oil. Beat vigorously for 30 seconds. If dough is too stiff, add a little more milk.
Fill greased 2-inch muffin pans 2/3 full. Bake in hot oven (400 degrees) for 12 minutes or until golden. Cool slightly; remove from pans.
Mix cinnamon and sugar. Dip tops of muffins in melted butter and then in cinnamon-sugar mixture. Makes 12 muffins.