Preheat oven to 350. Lightly spray mini muffin pan with cooking spray. Set aside.
Cream butter and sugar until well combined. Fold in egg and applesauce.
Combine the rest of the dry ingredients in a separate bowl and mix. Add this to the wet ingredients and mix well.
Spoon batter into greased mini muffin pan. Fill each ⅔ full. Bake for 11-13 minutes. Let cool for a bit.
In a separate bowl, combined sugar and cinnamon. Also, melt butter in another bowl.
Dip muffins into melted butter and then into the cinnamon and sugar mixture.