Although it won't go bad if you keep it in the cupboard longer than six months after opening, it will start to lose its flavor and fragrance.

How long does unopened Marsala cooking wine last?

Unopened Marsala will typically keep well indefinitely if properly stored. How to tell if Marsala has gone bad? The best way is to smell and look at the Marsala: if Marsala develops an off odor, flavor or appearance, it should be discarded for quality purposes.

Is boronia the same as Marsala?

Marsala All-uovo is a dessert wine, rich in flavour but not overly sweet, and forms the basis of the Italian confection Zabaglione. In association with Italian culture, Boronia was named after a scented Western Australia wildflower, which itself was named after an Italian botanist, Francesco Borone.