25min · 8 servings Ingredients: • 3/4 PLUS 2/3 cup all purpose gluten free flour • 1 1/2 teaspoon sugar • 1/2 teaspoon salt • 2 1/2 tablespoons ice water • 1 1/2 tablespoons sour cream • 1 1/2 teaspoon apple cider vinegar • 8 tablespoon unsalted butter