Casper Andr¿ugg and Martin Ivar Hveem Fjeld are two young bakers, born in Fredrikstad, Norway, in 1985. They have developed their passion for sourdough through years of practice and have shared their enthusiasm with a growing nu mber of social media followers . Their commitment to using time - ho noured techniques coupled with ancient grains is showcased beautifully in Sourdough, which is their first publication. They both live in Norway.