Dried olives don't need blanching, but we should wash them when we eat them. For olives fried with green or mixed with mushrooms, we can choose to wash them directly instead of cutting them with a knife. It is more correct to break them directly by hand than to open them with a knife.
Olive vegetables generally look and feel the same, but there are also differences. It is best to choose those varieties with big leaves and short stems, which are definitely much more delicious than those with long stems. This olive vegetable is healthier.