Serve them sweet or serve them savory – either way, these sweet potato waffles are a rich and flavorful way to use leftover sweet potatoes!
1. Add flour, baking soda, baking powder, pumpkin pie spice, and cinnamon to a large bowl. Whisk together and set aside.
2. Separate egg yolks and whites into two separate medium bowls.
3. In the yolk bowl, add mashed sweet potatoes, melted butter, vanilla extract, and milk. Whisk until smooth.
4. Combine the wet and dry mixtures. Stir until just combined.
5. Use a hand mixer to beat egg whites until soft peaks form.
6. Add brown sugar to egg whites and beat again until stiff peaks form.
7. Gently fold egg white mixture into the waffle batter. Do not overmix.
8. Preheat waffle iron and spray with neutral-tasting cooking spray.
9. Scoop batter into waffle iron and cook for about 5 minutes until golden and crisp.
10. Repeat with remaining batter, spraying iron as needed.
11. Serve warm with your favorite toppings.
Yield depends on waffle iron size and portioning.
Make it Gluten Free: Use gluten-free all-purpose flour.