It depends on the type of mushroom sauce. Chicken marsala is made with marsala, which is a red wine. There are also cream sauces, some of which can be made with white wine or chicken broth.

I'm not a wine drinker, either, so I'm really no help. Sorry. Every time a recipe calls for wine, I panic and try to figure out what kind of little bottles will work!

"You need me. You wouldn't be much of a hero without a villain. And you do love being the hero, don't you. The cheering children, the swooning women, you love it so much, it's made you my most reliable accomplice." -- Lex Luthor to Superman, Question Authority, Justice League Unlimited