Preheat oven to 475°F in a medium mixing bowl stir together flour, baking powder and salt
Cut in shortening until mixture resembles coarse crumbs
Make a well in the center of the flour mixture and add milk all at once
Using a fork, stir just until moistened and dough clings together
Turn dough out onto a lightly floured surface
Knead gently 10 to 12 strokes
Roll or pat dough to 0.5-inch thickness
Cut with floured biscuit cutter into 2-inch rounds
Place biscuits on ungreased baking sheet
Brush tops with soft butter
Bake until golden brown, approximately 10-12 minutes