Grate cucumber and place in a clean towel. Squeeze out as much liquid as possible. Squeeze the lemon juice and wash and chop the dill.
In a medium sized bowl combine cucumber with the Greek yogurt, lemon juice, dill, olive oil, garlic, and salt.
Mix until fully combined. Refrigerate until ready to serve.
Notes
Refrigerate Tzatziki in a covered container for up to 2 days. Dressings made with fresh garlic should be kept 2-3 days at the most due to the possibility of botulism contamination.
Store Tzatziki in a bottle for use as a condiment on burgers, or as a sauce for fish or meat dishes.
It is not recommended to freeze Yogurt-based recipes such as this one.