Combine flour, cheese, rosemary, parsley, pepper and garlic powder in a large bowl. Mix well.
Grate frozen butter on large holes on box grater and stir into flour mixture. Chill 10 minutes in freezer.
Make well in center of mixture, add buttermilk. Stir until just combined. Knead in bowl a couple of times to form a ball.
Turn dough onto lightly floured surface. Roll into 1 inch high rectangle. Fold dough over so short ends meet. Repeat rolling and folding 2 more times.
Cut with 2 inch biscuit cutter. Do not twist cutter or biscuits will not rise. Place on baking sheet with parchment. Freeze 10 minutes.
Remove from freezer and bake at 450 degrees for 15-18 minutes or until golden brown.