The finished product, garnished with oven-roasted cauliflower, toasted walnuts and brown butter. Guy Raz/NPR hide caption

itoggle caption Guy Raz/NPR

Customers Linda Price and Sam Wheatley stop for coffee and a bite to eat at the Cucina Deli in Salt Lake City. Jenny Brundin for NPR hide caption

itoggle caption Jenny Brundin for NPR

Warren Taylor owns Snowville Creamery, in Pomeroy, Ohio. He gets his milk from 235 brown Jersey cows that graze on a farm owned by his neighbor. John Burnett/NPR hide caption

itoggle caption John Burnett/NPR