Tim Farron, whose constituency is in Cumbria, opts for a local treat, the Kendal mint cake. It should at least help him keep his energy up in his endless, lonely journey through the political wilderness which the Lib Dems must now inhabit.
Zac Goldsmith's answer (chocolate digestive) was as boring as his campaign, while former soldier Dan Jarvis' love for army-issue garibaldis seems deep and genuine.
Nicola Sturgeon's penchant for Tunnock's Caramel Wafers (shared by her young MP Mhari Black) could be cringeworthy nationalism or could plausibly be simply because they are quite genuinely delicious.
And say what you like about Ed Miliband, he was remarkably consistent here. December 2009: Jaffa Cake. December 2011: Jaffa Cake.
Some answers are just a bit odd. Ed Davey likes fig rolls. David Cameron likes oatcakes (with, he specifies, butter and cheese). Natalie Bennett of the Green Party likes macaroons because she can't eat gluten (fair enough).The Telegraph report lists the choices of all the interviewees.