If so, what did you cook with it and is it even a good wine to cook with?
i would probably not recommend white zin – usually red wines are better to cook with – here’s an example….
if you’re making steak – cut up some mushrooms and onions and throw them in a pan with a couple tablespoons of butter and a splash of red wine (red rose, Merlot, or pino noir would be fine) saute them in the pan over med to high heat until the onions become translucent. top the steak with the mushrooms and onions 
good luck!
i have marinated with it before.
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i used it in coronation chicken as i found red wine had too strong a flavour, it turned out lovely
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In my opinion it is far too sweet to cook with. It also has very little acidity.
Maybe if you reduced it with a little sugar and fruit, you could make a dessert sauce, but that may be a stretch.
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i would probably not recommend white zin – usually red wines are better to cook with – here’s an example….
if you’re making steak – cut up some mushrooms and onions and throw them in a pan with a couple tablespoons of butter and a splash of red wine (red rose, Merlot, or pino noir would be fine) saute them in the pan over med to high heat until the onions become translucent. top the steak with the mushrooms and onions
good luck!
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worked in the resturant business for years – and I have been cooking since I was 10