Spitting the snorkel mouthpiece from my bite, I hesitate before popping a Lego-sized sample of freshly plucked, fluffy seaweed into my mouth. It's spongy, saline and unmistakably pungent. “It tastes like truffle, no?” queries my guide, Nord & Ne's Borghild Viem, with a knowing smile plastered across her face. Yes. Uncannily so. If I weren't floating in mountain-flanked Arctic waters, wearing a drysuit and flippers, I'd have almost convinced myself I was eating the real deal. Cultivating the highly prized, subterranean fungi is notoriously difficult and fraught with uncertainty, yet here, in Northern Norway's Saltstraumen, its unlikely flavour substitute grows wild.
Saltstraumen sits just south of Bodø, the beating heart of, and gateway to, the Salten District. The wide and deep Saltfjorden separates the two geographically, while population density and…