Egg mayonnaise with cress and ham

Method

1. Put the eggs in a pan of cold water, bring to the boil and simmer for 7 minutes. Refresh in cold water.
2. Once cold, peel the eggs and roughly mash with a fork in a bowl. Add the mayonnaise, cress and season with salt and pepper.
3. Butter the rolls, fill each with a slice of ham and top with a large spoonful of the egg mayonnaise.