In a bowl, whisk flour, sugar, baking powder, baking soda, and salt.
In another bowl, mix milk, egg, melted butter, and vanilla.
Combine wet and dry ingredients. Stir until just mixed.
Heat a non-stick skillet on medium heat; grease lightly.
Spoon small batter portions (1-2 inches) onto the pan.
Cook until bubbles form, flip, and cook until golden.
Serve warm with your favorite toppings.