Preheat your oven to 425°F (220°C).
Grease a large baking sheet with cooking spray or line it with parchment paper.
In a large bowl, whisk together flour, sugar, baking powder, and salt.
In another bowl, mix eggs, milk, and melted butter until combined.
Pour the wet ingredients into the dry ingredients and stir gently until just combined.
Pour the batter onto the prepared baking sheet, spreading it evenly.
Optional: Top with chocolate chips or berries for added flavor.
Bake in the preheated oven for 15-20 minutes until golden brown.
Remove from the oven and let cool for a few minutes.
Cut into squares and serve warm with your favorite toppings.