Step 1: Prepare the Dry Ingredients: In a large mixing bowl, whisk together the all-purpose flour, kosher salt, sugar, baking powder, and baking soda until well combined.
Step 2: Combine the Wet Ingredients: In another bowl, whisk together the buttermilk, eggs, melted butter, and vanilla extract until smooth.
Step 3: Mix the Batter: Pour the wet mixture into the bowl with the dry ingredients. Gently stir until just combined.
Step 4: Preheat the Waffle Iron: Preheat your waffle iron according to the manufacturer’s instructions.
Step 5: Cook the Waffles: Ladle an appropriate amount of batter onto the center of the iron and cook until golden brown and crisp.
Step 6: Keep Warm and Serve: Place cooked waffles on a baking sheet in a warm oven until ready to serve.