Preheat your oven to 350°F (175°C).
In a large bowl, mix the flour, baking powder, and salt.
Stir in the shredded cheese until evenly coated.
In another bowl, whisk together the milk, melted butter, and egg.
Pour the wet ingredients into the dry ingredients.
Stir until just combined; do not overmix.
Grease a baking dish or line it with parchment paper.
Pour the batter into the prepared dish.
Bake for 25-30 minutes or until golden brown.
Let it cool slightly before slicing and serving.