1
In a bowl, combine flours, splenda, baking powder, salt, cinnamon, nutmeg and whey protein powder.
2
in a small bowl, combine egg, milk, sweet potatoes, butter and yogurt; stir into dry ingredients just until moistened.
3
Stir in cranberries and nuts.
4
Fill greased or paper lined muffin cups half full. Sprinkle with cinnamon sugar.
5
Bake at 375 for 18-22 minutes or until muffins test done. Cool in pan 10 minutes before removing to wire rack.