- 1 sweet potato
- 1 cup flour
- 2 teaspoons baking powder
- 1/2 teaspoon ground cinnamon
- 1/4 teaspoon salt
- 1 1/4 cups milk
- 2 eggs
- 3 tablespoons melted butter
- 1 tablespoon brown sugar
- 1 teaspoon lime juice
- 1/2 teaspoon vanilla extract
- 1/2 teaspoon grated lime zest
- Pierce a sweet potato with a fork and place in a microwave-safe bowl; heat in microwave until tender, 5 to 10 minutes. Cool and measure out 3/4 cup sweet potato, reserving the rest for another use.
- Preheat a waffle iron according to manufacturer's instructions.
- Combine flour, baking powder, cinnamon, and salt together in a large bowl.
- Mix sweet potato, eggs, melted butter, brown sugar, lime juice, vanilla extract, and grated lime zest together in a bowl. Pour sweet potato mixture into the flour mixture; stir until batter is smooth.
- Spoon batter into the waffle iron and cook according to manufacturer's instructions until golden brown, about 5 minutes. Repeat with remaining batter.