Go to the underground supermarket in the Ginza shopping mall at the train station.
The deepest part of the supermarket is "Jinan Good Pastry".
The price is a bit high, but the quality is okay.
"Daoxiang Garden" is more popular here in Tai'an.
A good place to buy them is at Shuanglongchi in the front gate of Dai Temple.
A taxi from the train station costs 6.5 yuan.
Bus: No. 4.