Butter is a staple in many kitchens and makes countless meals, snacks and sweets taste better. Store-bought sticks and tubs are fine, but like many things in life, sometimes homemade is better.

Over in Brittany, France, artisans handcraft what might be the world’s best butter, but with the right technique, you can make a great version at home. That’s where Adam Byatt comes in. The ...

At a factory in suburban Chicago, Savor CEO Kathleen Alexander says her company is making the future of food: butter made without any animal or farmland. It’s made by turning carbon dioxide, methane ...