1、将软化的黄油、干酵母、各种面粉、盐、糖粉、小苏打和水揉成团，用力揉15分钟（如下图）；揉好后用保鲜膜包好，放在温暖处发酵20分钟。
3、三次三折后，将面皮擀至0.25厘米的薄片，用叉子在上面叉上均匀度小孔，用刀切成小正方形（如下图）——备用。
![烘焙美食：[9]苏打饼干](https://exp-picture.cdn.bcebos.com/bd72f23834bb19ef909024a0497bd28287893a67.jpg)
![烘焙美食：[9]苏打饼干](https://exp-picture.cdn.bcebos.com/d2001d7de137c9766173557144672b5fd4462b67.jpg)
![烘焙美食：[9]苏打饼干](https://exp-picture.cdn.bcebos.com/51f9aa3ea8db574aadfdbb28a7f7dfb2dd191767.jpg)