I've been using the same recipe, but swapping different versions of the ingredients.

The frozen butter is a must (think you told me that one, rear admiral maybe). I swapped all purpose flour for unbleached bread flour. I swapped 2% milk for buttermilk. The original recipe was for "fluffy biscuits" and it didn't hit me until the seventh or eighth batch to use buttermilk. I also had to fuck with the technique and baking time/temp. 500 degrees for about 11 minutes does the trick. I'll post the whole recipe if yer interested.