Time to allow: Portions :1 Ingredients Amount Type of raw ingredient Modern Substitutes 1 whole whiting, plaice or sole any white flat fish a knob butter   a pinch salt   a sprinkling lemon juice   Method   1 Butter two small plates well 2 fillet the fish 3 lay the fillet on one plate and sprinkle with salt 4 cover the fish with the second plate 5 put the plates on top of a pot of boiling water and steam for 15 -20 minutes 6 serve with a sprinkling of lemon juice Recipe Comments   1 The time taken to steam depends on the size of the fillet