01 -
In a medium bowl, thoroughly whisk together the egg, buttermilk, canola oil, and vanilla extract until smooth with no streaks of egg remaining.
02 -
In a large bowl, whisk together the all-purpose flour, granulated sugar, baking powder, baking soda, and kosher salt until fully blended.
03 -
Create a well in the dry mixture, pour in the wet ingredients, and gently stir just until combined and a few streaks of flour remain. Do not overmix—the batter should be lumpy. Let the batter rest at room temperature for 15 minutes.
04 -
While the batter rests, preheat the waffle iron according to the manufacturer's instructions. Once heated, coat the iron evenly with cooking spray.
05 -
Pour a generous amount of batter into the center of the waffle iron, ensuring it is fully covered. Close the iron and cook until golden brown, approximately 5 minutes per waffle. Transfer each cooked waffle to a plate and tent with foil to retain warmth. Repeat with remaining batter.
06 -
Divide waffles among plates. Drizzle with maple syrup and finish with a pat of unsalted butter.