Grate butter into dry ingredients & work together with hands.
Add milk & stir until dough sticks together. Be sure not to overmix.
Put dough onto floured waxed paper. Sprinkle a little flour on top to keep dough from sticking to wax paper. Place more wax paper on top of dough. Flatten to desired thickness & remove wax paper.
Cut with a biscuit cutter or top of a glass.
Line pan with aluminum foil (No need to spray) and place biscuits on aluminum foil. Bake in preheated oven @ 450 for 15-20 min.