Breakfast

Whisk the lemon juice, 2 tsp vinegar and egg yolks together until light and frothy
Place the bowl over a pan of simmering water and whisk until the mixture thickens
Gradually whisk in the unsalted butter until the sauce is thick, whisk off the heat briefly if it begins to split
Season the hollandaise and keep warm
Bring a large pan of water to the boil and add 2 tbs vinegar
Lower the heat to a gentle simmer, create a slight whirlpool and slide in the eggs, poaching about 4 minutes then remove with a slotted spoon
Lightly toast the English muffins and butter them
Top each muffin half with a couple of slices of smoked salmon
Place a poached egg on each muffin half, spoon over hollandaise and garnish