1) 8 oz cubed potato
2) 1/2 c buttermilk
3) 1/4 c sour cream
4) 2 T butter, cut in small pieces
5) 1 3/4 c flour
6) 1 T baking powder
7) 1 t salt
8) 1/2 t baking soda
Oven 450
Sim 1) till tender, drain.
Add 2) - 4) mash till smooth.
Mix 5) to 8)
Add potato mix, just till moist.
Turn out onto lightly floured surface, knead lightly 5 times.
Pat dough into 3/4" thickness.
Cut with 2" biscuit cutter into 15 biscuits.
Place 2" apart on parchment lined sheets.
Bake 15 min till lightly browned.