1.Whisk mayonnaise, juice, parsley, mustard and 2 tablespoons warm water in a small bowl
2.Place eggs in a medium saucepan; cover with cold water. Bring to the boil over moderate heat, stirring gently (this helps centre yolks). Boil without stirring for 6 minutes; drain. When cool enough to handle. peel and cut into quarters.
3.Cook potatoes in a medium saucepan of boiling water for 6 minutes or until tender. Drain; cool slightly. Cut potatoes in halt.
4.Combine potato, ham, avocado,tomato. lettuce and salad leaves in a large bowl. Place in serving bowls; drizzle with mayonnaise mixture. Top with egg and olives.
Buy ham from the deli. Eggs must be at room temperature or shells will crack during cooking.