I like them too but to your first point, I think the las vegas pastry chefs are going to be hard to beat as long as they guess the correct dessert, especially now that they realize they need to try to make the exact dessert that the clues are pointing to instead of an over the top version of it.
I keep thinking this is going to get less interesting as they learn what to look for, and what is a misdirect. If everyone starts guessing correctly, it's just a straight baking competition. It was already less interesting this last round when four out of five guessed correctly. It was obvious who