[CapstanRoller]

Those strudels are widely available in the USA, at least in major cities and upscale grocery stores. Yes, consuming them will trigger a drug test.

[anotheruser13]

You can get yummy puppy seed cake rolls from any Polish bakery. The international fresh market nearby when I used to live got them from Polish bakeries on Milwaukee Ave in Chicago. My dad used to make a really good poppy seed coffee cake, too.