The velvety nuttiness of avocado punctuated by the peppery crunch of spring onions, the sharp tang of lime juice and the refreshing earthiness of coriander leaves, spread thickly on a toasted bread ...

As such, you should cut, mash, or purée the fruit before freezing. Start by cutting a ripe avocado in half, then removing the pit and peeling it. If desired, you can cut it into smaller chunks.

When the tomatoes are finished roasting turn the oven to broil. Lightly mash the avocado with the salt and pepper. Spread one side of each bread slice with softened butter. On the unbuttered sides ...