Method:

Grate the cucumber into a sieve and squeeze water out. Let it stand as long as you want, if you don't have time just press down until as much water is wrung out

 Put the yoghurt, garlic, oil and vinegar into a large bowl and season with the salt.

Combine well until the oil has mixed in and the consistency is smooth

Add in the cucumber and mix well

Leave in the fridge until ready to serve and just sprinkle on some dill for garnish (otherwise dill will dominate if left on it)

If you're making  day early keep the yoghurt mix and cucumber separate until you are ready to serve, mix garnish and yum!