King Arthur wants to automate your sourdough starter

The Sourdough Sidekick will work with other flour brands, but the King Arthur logo isn’t going anywhere.

Baking sourdough bread may seem pointedly old-fashioned, but that doesn’t mean it’s immune to the allure of a novelty gadget. That’s where the Sourdough Sidekick comes in: a new countertop appliance that automatically feeds your sourdough starter so it’s ready to bake the moment you need it.

The Sidekick is a joint project by FirstBuild — the GE Appliances “innovation hub” responsible for the viral Opal ice maker ...