clean the mussels in cold water and scrub off the beards. Discard any opened mussels
Heat a large pan with lid with olive oil and saute the onions for 2 minutess then add garlic for 1 minutes
Toss in the mussels and put on the lid and cook for 2 minutes and shake pan
Add dry white wine and cook for further 2 minutes
Scoop out all mussels and discard any that have not opened
Add creme fraiche to the pan and reduce by half
Add mussels and parsley back to the pan ready to serve
Heat oil for frying in a high sided pan
Peel potatoes and cut into chips
Mix the flour and cayenne pepper and toss chips in the mixture
Deep fry till golden and crispy
Toss cooked chips in some more pepper mixed with salt ready to serve