Podcast:The Economics of Everyday Things Published On: Mon Mar 03 2025 Description: A fast-food burger has to taste the same — and cost the same — thousands of times a day at restaurants across the country. Zachary Crockett mans the fryer. SOURCES:John Karangis, vice president of culinary innovation at Shake Shack.Walter Zuromski, owner and chief culinary officer of the Chef Services Group. RESOURCES:"How Shake Shack’s New Test Kitchen Is Shaping the Future of the Brand," by Stefanie Tuder (Eater, 2018). EXTRAS:"Truffles," by The Economics of Everyday Things (2023).