It's hard enough to find a good non-alcoholic beer without limiting it to stouts, so I'd try blending your favorite non-alcoholic beer with an infusion of roast

It's hard enough to find a good non-alcoholic beer without limiting it to stouts, so I'd try blending your favorite non-alcoholic beer with an infusion of roasted barley. Guinness is fairly light as stouts go, so I think this might work.