Blue Sausage Fruit, Decaisnea fargesii
The fruit can be eaten raw. It had a sweet taste, a very nice delicate flavour according to our palates.
The fruit looks like a bright blue sausage or broad bean pod and is up to 10cm long. You peel off the skin in much the same way as you would peel a broad bean pod, this reveals a line of seed running the entire length of the fruit surrounded by a relatively thin layer of flesh.