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

In a separate bowl, whisk the egg, milk, melted butter, and vanilla extract until smooth.

Pour the wet ingredients into the dry ingredients and stir gently until just combined, leaving a few lumps.

Preheat a griddle or non-stick frying pan over medium heat (about 350°F) for 3–5 minutes.

Using a 1/4 cup measure, pour batter onto the hot griddle, spacing pancakes about 2 inches apart.

Cook the pancakes for 2–3 minutes until bubbles form on the surface and edges look set.

Carefully flip each pancake with a spatula and cook for an additional 2 minutes until golden brown.

Remove pancakes and keep warm; repeat with remaining batter. Serve immediately with your favorite toppings.