In a food processor fitted with the dough blade, combine the yeast, sugar, flour, salt and baking soda. Combine the hot buttermilk and shortening.
In a food processor fitted with the dough blade, combine the yeast, sugar, flour, salt and baking soda. Combine the hot buttermilk and shortening.
把酵母，砂糖，面粉和盐放到搅拌盆里。把热白脱奶和白油混合。