Warm Mussel Salad

To cook the mussels: wash the mussels under running water. If any mussels have cracked or broken shells, discard them. If any are slightly open, tap sharply, and if they do not close, again they should be discarded. Pour 100 ml white wine or water into a deep pan, bring to the boil and tip in the washed mussels. Cover tightly and cook over a high heat for 3 to 4 minutes, shaking the pan a coupl