Make your beer, pour it in a glass, add some sugar... Jk
I would say add more lactose. I hear a lb is good for a5 gallon, maybe a lb and a half?
Search for the coffee thing. I I've read it a bunch of times, but of course since I'm not that interested in making a coffee stout, I don't retain the info, haha. Maybe a steep in the secondary of some ground coffee until the taste is good for you. A little goes a long way apparently.