Picture this: The bakery down the street that makes your favorite chocolate cake and has just shared the recipe with you. Excited, you head to the grocery store and buy the identical ingredients necessary to model your delicious masterpiece after theirs. You head home, mix it up as directed, and watch it as it bakes with careful attention. When the moment finally comes to enjoy your first delectable bite, you’re disappointed.

Even though you followed the exact same recipe, the bakery’s ...