Thanks to the market intelligence from Candy Addict and the keen eye of Joanna, I have now tried the Milkshake Kit Kat. It's not really milkshake flavored but more of a lightly malt chocolate flavor. It is subtle, for a Kit Kat, and in truth I like my flavor bold in a Kit Kat. Still, it is quite good, if not quite as good as the Mint Kit Kat. You can find it at Target and and at Rite Aid, where you can get it for a mere 33 cents.