Pineapple cake in Taipei is one of the famous cuisines in Taiwan Province. Many tourists will try the local pineapple cake when they go to Taipei. Here are some information that may be helpful to you:

1. National Palace Museum in Taipei: pineapple cake sold in the gift shop in the National Palace Museum in Taipei is very popular, with delicious taste and moderate price. It is a good place to taste the pineapple cake in Taipei.

2. Taipei 10 1 Building: There are many stalls selling pineapple cake in the food court in Taipei10/Building, among which "King pineapple cake" is the most famous and has a unique taste, which is worth a try.

3. Taipei Songshan Airport: There are many shops selling pineapple cake in Taipei Songshan Airport, among which "Slightly Hot Hill" and "Jiade" are the most famous, with delicious taste and moderate price, which are good places to taste pineapple cake in Taipei.

4. Zhongshan District, Taipei City: There are many famous pastry shops in Zhongshan District, Taipei City, such as "Li Ji" and "Slightly Hot Hill". The pineapple cake sold is delicious and moderately priced, which is a good place to taste the pineapple cake in Taipei.

5. Songshan District, Taipei City: There are many famous pastry shops in Songshan District, Taipei City, such as Jiade and Maiyiyi. The pineapple cake sold is delicious and moderately priced, and it is a good place to taste pineapple cake in Taipei.

I hope the above information can help.