I've never been to Whole Foods or had their cake, though I know that the Chantilly cake as we've come to know it has origins that reach back to a Whole Foods bakery over 13 years ago and the cake has something of a cult following. While I'm happy for my cake to pay tribute to that one, mine deviates a fair bit from the original in a few ways, particularly the filling (but don't second-guess it, it's so good!). If you've tried the bakery version, I'd love to know what you think of my version!