Cognac

Store upright in a cool, dark place. Cognac does not significantly improve with age once bottled, and can last for many years if properly sealed.

Use good quality cognac for cooking to ensure the best flavor in your final dish.

Cognac can be used in sauces, marinades, flambés, and desserts.

Allow the alcohol to cook off when using in savory dishes to avoid an overpowering spirit taste.

Chocolate

Cream-based desserts

Rich meats like duck and beef

Nuts (walnuts, almonds)

Using a very cheap or low-quality cognac, which can impart a harsh flavor.

Not allowing enough time for the alcohol to evaporate in cooked dishes, leading to a boozy taste.

Storing the bottle on its side, which can degrade the cork over time.