The egg mixture can be made a day ahead and stored, covered, in the fridge.
- Place the eggs in a saucepan of cold water and bring to the boil. Cook for 4 mins. Refresh under cold water. Drain. Peel the eggs and thinly slice.
- Combine the egg, yoghurt, celery and mustard in a medium bowl. Season.
- Place the roll bases on a work surface. Top with the rocket, egg mixture, cucumber, spring onion and bread tops.
You may need it
Store Spice Organizer
Surface Utensil Holder
Cutting Board Set