Wash the salad leaves and arrange on a plate. Top put the chopped ham, olives and walnuts. Prepare sauce by the oil mixed with 1/2 tsp vinegar, salt, pepper and crushed garlic. Break the eggs over boiling water with 1 tbsp vinegar and cook 3 minutes. Remove with a slotted spoon to drain the water, put on leaves of salad and pour the sauce.