If you want to spice it up you could add lime juice, chilli and coriander instead of dill, and lemon juice. If you were dairy intolerant you could use coconut cream or coconut yoghurt instead of Greek yoghurt.
This is great with a slice of wholemeal toast, or sourdough, or crackers. The addition of the sweet and sour cucumber really makes it a special dish. The sweet and sour cucumber is really easy to make, and pairs well with most smoked fish and seafood. It is really more-ish and it is difficult not to finish off the whole lot in one go!
To buy the smoked mackerel go to www.staalsmokehouse.co.uk/smoked-mackerel-fillet