Fill a saucepan with water and bring it to a gentle simmer
Add a splash of vinegar to the water
Crack an egg into a small bowl
Stir the simmering water to create a gentle whirlpool
Slide the egg into the center of the water
Cook for 3 to 4 minutes until the white is set and the yolk is soft
Remove the egg with a slotted spoon
Place the egg on toasted English muffin halves, ham, or smoked salmon
Top with hollandaise sauce
Serve immediately