OK so I was told that Horsnby's cider is sweetened with barley. I have a cider now which is a bit tart and I'm trying to sweeten it without bringing up the ABV anymore, the only way I can do that without sulfiting/sorbating it with unfermentable sugars right? So what do beer makers, or anyone else for that matter, use in the way of unfermentable sugars? The only idea I have is caramelizing some honey.