Preheat oven to 425 degrees F. Grease a baking sheet
Add flour to food processor. Add cold cubed butter and pulse until mixture resembles course crumbs. Alternatively, add flour and cubed butter into a large bowl and cut butter into flour using pastry cutter or forks
Add buttermilk and mix in food processor or bowl until moistened. Turn dough onto a floured surface and knead 3-4 times. Pat or lightly roll into 3/4 inch thickness. Cut with a floured 2 1/2 inch biscuit cutter
Place biscuits on prepared baking sheet with biscuits touching. Brush on melted butter. Bake in preheated oven for 11-13 minutes or until golden brown. Brush on additional melted butter after removing from oven if desired