Unlike other nut varieties that can be purchased unshelled, pistachios are often sold in the shell, leaving eaters up to their own devices to open the pieces to enjoy or use in recipes.

Once harvested, nuts are processed to reach our tables in different ways. A few are sold fresh off the tree, still full of moisture and in their shell, such as the main UK grown nut, the cobnut.

Pistachios, often referred to as the "smiling nut" due to their slightly split shells, are a popular and delectable member of the nut family.Originating from the Middle East, these vibrant green ...