Bring the saucepan of water and vinegar to boil and then turn down to a very low simmer
Break the egg into a cup
Swirl the water to create a whirlpool, when the swirling has almost stopped, gently add the egg to the centre of the saucepan and poach for three minutes.
Remove with a slotted spoon and drain on some kitchen paper.
The ‘perfect’ poached egg has a runny yolk and no raw white remaining