Ingredients:
- 2 cups (240g) All-Purpose Flour
- 2 tbsp (25g) Granulated Sugar
- 1 tbsp (15g) Baking Powder
- 1 tsp (5g) Baking Soda
- ½ tsp (3g) Fine Sea Salt
- 1 ¾ cups (420ml) Full-Fat Buttermilk
- ½ cup (115g) Unsalted Butter, melted and slightly cooled
- 1 tsp (5ml) Pure Vanilla Extract
- 4 Large Eggs, separated (yolks and whites in separate bowls)
Instructions:
- Mise en Place: Preheat the waffle iron according to the manufacturer’s instructions. Separate the eggs into two clean, grease-free bowls.
- Combine Dry Ingredients: In the large bowl, whisk together the flour, sugar, baking powder, baking soda, and salt. Set aside.
- Mix Yolks and Liquid: To the bowl containing the egg yolks, whisk in the buttermilk and vanilla extract until just combined.
- Add Fat: Slowly drizzle the slightly cooled melted butter into the yolk mixture, whisking gently until integrated.
- Combine Wet and Dry: Pour the wet mixture into the dry ingredients. Whisk only until just combined—a few small lumps are perfectly acceptable. Crucially, do not overmix, or the waffles will be tough.
- Whip Egg Whites: Using a hand mixer or stand mixer, whip the egg whites until stiff, glossy peaks form (they should hold their shape when the whisk is removed).
- Lighten the Batter: Gently fold about one-third of the whipped egg whites into the main batter mixture to lighten it.
- Fold in Remaining Whites: Carefully fold in the remaining egg whites in two additions, using a rubber spatula. Use a 'cut and fold' motion, working quickly but gently, stopping as soon as no streaks of white remain. The batter should look airy and voluminous.
- Cook Waffles: Lightly brush the preheated waffle iron with oil or butter (if not non-stick). Pour the batter onto the center of the iron (usually about ½ cup per section, depending on size).
- Test for Doneness: Cook for 3–5 minutes, or until the steam stops rising and the waffle is deep golden brown and crisp.
- Serve: Remove the waffles and serve immediately, or place them on a cooling rack in a warm oven (around 200°F/95°C) to keep them crisp while you finish the rest of the batch.