Buttery Sourdough Biscuits

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   ["Preheat the oven to 425 degrees F.", "In a large bowl, combine the flour, baking powder, salt and baking soda. In another bowl, mix together yogurt and half-and-half. Mix with a whisk or fork until smooth. Mix the sourdough starter into the yogurt mixture. Add the yogurt mixture to the flour mixture. Grate in 1 stick (1/2 cup) of cold butter. Mix the dough until just combined.", "Turn the dough out onto a well-floured surface. It will be sticky. Try not to overwork the dough. Pat it into a rectangular shape, folding the dough over on itself several times. Pat or roll the dough into a 1"" thick round. Cut biscuits and place on a buttered baking sheet. Bake 15 minutes or so until golden.", "Makes about 24 small biscuits."]

* Per serving · 4 servings · Values may vary.