Brush a large non-stick frying pan with sunflower ... Turn the heat to low, so the water is only just bubbling. Crack the eggs into the water, one at a time, spacing them well apart.
Heat 200ml/7fl oz water, the salt and lard in a saucepan ... Make three steam holes in the top of the pie and brush with more egg yolk. Bake for 30 minutes, then reduce the heat to 180C/350F ...