Spoiler alert: most of the pies are in fact made from scratch, with the exception of the apple pie (more on that later). The bakers at Costco might decorate and package the cannolis and cookies ...

Sourdough for science? Researchers are analyzing live cultures from bread starters to develop healthier, plant-based fermented foods.

A hobbyist and self-taught baker for most of her life, Playdon advanced from elevating pre-packaged dry mixes to baking everything from scratch and ultimately perfecting her cookie recipes.