Preheat the oven to 425 degrees F.
In a mixing bowl, whisk together the flour, baking powder, salt, and sugar.
Use a cheese grater to shred the frozen butter into small pieces.
Use a fork to stir the butter into the flour mixture until evenly distributed.
Slowly add in the milk while stirring until the mixture comes together and pulls away from the sides of the bowl.
Turn the dough out onto a floured surface and press it down to ¼ inch thick.
Fold in half and repeat several times. Flattening and folding about 10 times. This will create layers.
When you've finished building layers, roll the dough out to ½ inch thick and then use a round cutter to cut out your shapes.
Brush off excess flour and place evenly spread apart on a large baking sheet.
Bake for 13-15 minutes or until the edges are just beginning to brown.
Brush the tops with more melted butter and serve.