Chef Peter Reinhart is an acclaimed baker, educator, and author, renowned for his extensive expertise in bread and pizza baking. With fourteen books to his name, including award-winners like The Bread Baker's Apprentice and Whole Grain Breads, Reinhart has helped shape contemporary bread baking through his emphasis on artisanal methods and new baking techniques. 

Together, Peter Reinhart and Kook developed a range of products tailored for sourdough and artisanal bread-making, including specialty Dutch ovens, proofing baskets, and other essential tools.

These resources provide bakers with essential tips, recipes, and insights into sourdough fermentation techniques.

With Grain Theory, Kook and Peter Reinhart combine expertise and craftsmanship, empowering bakers to pursue bread-making with both confidence and artistry.