I use marsala fairly often for cooking and I personally don’t think there’s any acceptable substitute for the real thing. To me, anyway, the CA versions don’t taste the same at all. But I also spend part of the year in a fairly rural area of Arizona where such things are hard to find and have concluded that the INTERNET is definitely your friend. Fortunately for you, Texas seems not to be a state that bans wine shipment (I can’t see how the county could matter) so you can go to a place like Shopperswines.com ( https://www.shopperswines.com/search.asp?Name=Marsala&Search=True&Submit=Quick+Search ) and have them send you one or more bottles of REAL Marsala such as Colombo Dry for $7.99 plus, I’m sure, tax and shipping. I use Colombo regularly for cooking–it’s not the best quality and if I were going to drink it I might spend a few bucks more for something better, but for cooking it’s fine and, as our dogmatic friend Mr. Hoffman demands, it certainly is drinkable.