Perhaps there should be one place where one can find a list of all the Western food shops in Taipei. Here are the ones I’ve found, and would welcome any more to add!
Jason’s (Taipei 101 basement level)
City Super (Far Eastern Hotel basement level)
And a little hole-in-the wall off Shi-Da road, a few blocks closer to Roosevelt from Grandma Nitti’s. They carry a lot of good baking goods.
I have not been out to Tienmu, but hear there are some decent places there. Any additions?