Bars, beans and tins: the best-tasting protein foods we’d buy again and againThe Guardian's Filter newsletter rounds up six protein foods it would buy again, drawing on blind taste tests of 12 bars and 10 powders, a summer of tinned fish, and advice from registered dietitians. Standouts include Barebells bars, Aloha's organic bars, Optimum protein powder, Fishwife's soy ginger tuna, Wild Planet sardines, and dietitian-endorsed Biena chickpeas.