Many spices, especially the ground ones, unfortunately, lose their flavour over time. Most spices contain essential oils, which evaporate easily. Well stored, spices can be kept for a long time, sometimes several years. Many spices are even used to preserve other kinds of food. The pepper in sausages, for example, not only serves to enhance flavour but also to preserve the meat. Whole spices, properly stored, usually last several years. Ground spices, on the other hand, stay fresh for about a year. After that, you should check them well. If they have lost their taste or the taste or smell has changed, it is better to replace them. Unfortunately, spices…