Start by whisking together the flour, baking powder, salt, and sugar in a bowl to ensure everything is evenly mixed with no lumps.
In a separate bowl, whisk the egg, then add the milk, melted butter, and vanilla extract. Mix until smooth and fully blended.
Next, gently pour the wet ingredients into the dry mixture.
Stir just until everything comes together, making sure to leave a few lumps. Overmixing can result in dense pancakes, and we want them light and fluffy!
Carefully fold in the blueberries, being mindful not to crush them. This keeps the berries intact, giving you those delicious bursts of blueberry goodness in every bite.
Now, heat a griddle or non-stick pan and lightly grease it with butter or oil.
Scoop about a quarter cup of batter onto the griddle for each pancake, and cook until bubbles form on the surface.
Flip them over and cook for 2-3 minutes on the other side, or until golden brown. Enjoy!