Preheat oven to 450 degrees and grease a baking sheet.

In a large bowl, combine flour, 2 tablespoons sugar, baking powder, and salt.

Sprinkle butter cubes across flour mixture and use a pastry cutter (or your fingers) to cut the butter in until mixture is mealy.

Stir in 3/4 cup milk. Dough should be slightly wet. Add more milk if needed.

Use a greased 1/4 cup measuring cup to scoop and drop biscuits onto prepared baking sheet.

Brush tops with melted butter.

Combine sugar and cinnamon and sprinkle on top of biscuits.

Bake for 12 to 13 minutes.