In large bowl with electric mixer, beat egg white until stiff peaks form. Set aside.
In large bowl, mix flour, brown sugar, cinnamon, nutmeg, ginger, cloves, baking powder, baking soda, and salt. Set aside.
In medium bowl, whisk together milk, coconut oil, egg yolk, and pumpkin puree.
Add to wet ingredients and mix until combined.
Fold in egg whites gently, until combined.
Use in waffle maker to make waffles.