Beat in a bowl 6 duck eggs, 2 Tbspn mayonnaise, 1 tspn lemon juice
1 tspn lemon zest. Par boil 4 medium potatoes (til just tender). Strain water, then melt 60g butter into potatoes with one finely sliced leek, and two rashers of chopped bacon. Saute for a few minutes then place in an ovenproof flan dish, adding a handful of chopped perinos. Pour over egg mixture. Cook in a moderate oven until egg is set and the top is golden brown. (Approx 25 mins). Serve with rocket or steamed pak choi.