<<Disclaimer: Verify this information before applying it to your situation.>>

Thanks to those who write.  Everyone said that marsala wine is gluten free.
One person said yes, if it is white.  Another said that it is if it is real
Marsala from Europe.

One person requested the recipe.  So here it is, source unknown.

Chicken Marsala

4 skinless, boneless chicken breasts(sliced crosswise to thin).
1/2lb. sauteed mushrooms
1/2 tsp.salt
1/8 tsp. pepper
2 tbsps butter
1/2 cup marsala wine(warmed)
1/2 cup chicken broth
shredded mozarella cheese

Flour chicken(I dip in egg first).

Saute floured chicken in the butter, salt, and pepper and some oil, just
until browned.

Place cooked meat in glass baking dish.

Mix broth and warmed marsala wine; pour over chicken.

Sprinkle the cheese and sauteed mushrooms over the chicken.

Bake at 350 degrees for about 20 minutes.