In a mixing bowl, whisk together the flour, sugar, baking powder, and salt until well combined.

In another bowl, mix the milk, egg, melted butter, and vanilla extract.

Pour the wet ingredients into the dry ingredients and stir until just combined. Do not overmix; a few lumps are okay.

Preheat a griddle or frying pan over medium heat and lightly grease it with butter or oil.

Using a ladle, pour batter onto the griddle for each pancake. Cook until bubbles form on the surface, about 2-3 minutes.

Flip the pancakes and cook for another 1-2 minutes until golden brown.

Repeat with the remaining batter, greasing the pan as needed.

Serve warm with your choice of toppings such as maple syrup, fresh fruit, or whipped cream.