Raw food enthusiasts might insist that roasting nuts will deplete their nutritional value — but unless you cook them to a blackened crisp that’s just not true, says Kara Landau, Accredited Practicing Dietitan and founder of Travelling Dietitian. “As long as roasted nuts are cooked at between 120-160 degrees Celsius, all the delicate essential fatty acids should remain intact,” Landau says. “Some B group vitamins may be lost, however considering nuts are not typically a main contributor of B