How to make
If your mussels are still with their shells, put them in salted boiling water to boil for about 4-5 min., then remove their shells and wash them well. Put them in a bowl.
Chop the onions and dill finely, add them to the bowl of mussels, then add the lemon juice, olive oil, oil.
Stir well and salt to taste. It's best to leave them in the fridge for a few hours prior to consumption.