Preheat oven to 400 degrees F.
Combine dry ingredients in a bowl.
Add in butter and use a pastry blender to combine until butter is small pebble size.
Stir in sour cream and water until dough comes together. Add a little additional water if it is too dry.
Knead dough a few times and press into a 1 inch thick circle or square.
Cut into four biscuits using a knife or a biscuit cutter.
Place on a baking sheet and bake for 15 minutes.
Brush with melted butter every five minutes as they bake.
