Cooks of all caliber have used boxed pudding mix for decades to make their bakes taller, fluffier, and more moist. This "secret" ingredient makes even a novice baker look like a pro.

I first want to say that I definitely did not come up with this. There is something so delightfully retro about both malted milk and pudding — like I’m pulling up a seat at a mid-century diner for an ...