This month, test kitchen bakers extraordinaire @shilpauskokovic and @jesseszewczyk have brought a Chocolate Olive Oil Cake to Bake Club, and it makes a pretty excellent case for adding oil instead of butter to a cake. Of course, the real conversation happens after the recipe, when all of our Bake Club members discuss their methods, trade tips, and show off their final bakes in the exclusive Instagram group chat. Want to join a group of likeminded baking fanatics? Subscribe to Bon Appétit at the