I have to reply to this post.
I believe that the buttermilk works in the traditional recipe because you have fat from the butter/shortening, and I've even used yogurt and found I had a softer crumb biscuit.
I think in the never fail version you need the fat from the cream, although I wouldn't be past subbing in buttermilk for some of the heavy cream.
August 29, 2014 at 1:27pm
In reply to I am game for giving these a try - would buttermilk work for th… by Janet (not verified)