Step by step

Add salt to taste and mix again

Pesto, if not used, can be kept in the fridge for up to two days, or you can freeze it immediately after it’s made by putting it in small plastic cups such as those used for espresso, to be used as and when needed. In this way you can make a large quantity so there’s always some at your disposal.
Basil is an herb which is, of course, widely used in the kitchen but it can also be useful in other areas. For example, phytotherapy and aromatherapy; its essential oils can be used to make mouthwashes to prevent and combat oral infections; it's a remedy against mosquito bites - you can get relief by rubbing the leaves on the bite; and finally, it repels flies.