Buttermilk Waffles | Plate and Cup

Ingredients

• 1 3/4 cup all-purpose flour (see Cook's Note)
• 2 tablespoons granulated sugar
• 1 3/4 teaspoon baking powder
• 1/4 teaspoon baking soda
• 1/4 teaspoon kosher salt
• 1 3/4 cup well-shaken buttermilk
• 2 large eggs
• 2 teaspoons vanilla extract
• 1 stick unsalted butter, melted and slightly cooled
• Nonstick cooking spray
• Maple syrup, jam, berries or yogurt, for serving