MMMMonday - yummy and healthy!

I got this recipe from that great wwrecipes ezine I get ... this one came from Iris in CA.  I have made them as is, and am going to try an experiment to make them GF for Liam...

Sweet Potato Muffins
Makes 12

1 cup whole wheat flour
1 cup all purpose flour
1/2 cup packed brown sugar
1 1/2 teaspoons baking powder
1/2 teaspoon ground cinnamon
1/8 teaspoon ground cloves
1/2 teaspoon salt
1 cup milk
2 egg whites
1 tablespoon canola oil
1 cup finely grated raw sweet potato
1/2 cup finely chopped dried pears
1 to 2 tablespoons turbinado sugar

Preheat oven to 375F.  Coat 12 muffin cups with cooking spray.
Combine whole wheat flour, all purpose flour, brown sugar, baking powder, cinnamon, cloves and salt in a mixing bowl.
Combine milk, egg whites and oil in a separate bowl and whisk well.
Make a well in the center of the dry ingredients.  Pour wet ingredients into the well and stir until just combined. Gently fold in sweet potato and pears.
Fill muffin cups 2/3 fill.  Sprinkle with turbinado sugar.
Bake 18 - 20 minutes, until centers spring back when touched