GFCF Sweet Potato Biscuits

I've been trying to make good sweet potato biscuits for almost two years. I have this one great recipe for them that has not converted well - my gf/cf versions always turned out dense and heavy. But today I found myself with 6 pounds of sweet potatoes and a hankering for biscuits, so I tried again using this Food Network recipe as my guide. And I'm excited to report that my biscuits turned