The two culinary icons decode common British baking terms.Credit: Courtesy of ROKUThe Great American Baking Show is back. The Roku Channel released all episodes of Season 4 of the reality baking competition series today, featuring Andrew Rannells and Casey Wilson as hosts and, of course, the dynamic judging duo of Paul Hollywood and Prue Leith.Leith has stepped down as a judge on The Great British Bake Off but will remain on its American counter…