01 - Preheat your waffle iron according to the manufacturer's instructions.
02 - In a medium bowl, whisk together the Greek yogurt, eggs, milk, melted butter, and vanilla until smooth.
03 - In another bowl, combine the flour, sugar, baking powder, baking soda, and salt.
04 - Add the dry ingredients to the wet ingredients, mixing gently just until incorporated. Do not overmix; a few lumps are fine.
05 - Lightly grease the preheated waffle iron with melted butter or cooking spray.
06 - Pour batter into the waffle iron, using about 1/3 cup per waffle (adjust according to your iron's size), and cook until golden brown and crisp, 3-5 minutes per batch.
07 - Serve warm with your favorite toppings—fresh berries, honey, or maple syrup.