1.Place burghul in a medium heatproof bowl. Cover with boiling water. Cover with plastic food wrap; stand for 30 minutes to soften.
2.Heat 2 teaspoons oil in a large frying pan over moderate heat. Add mince; cook, stirring with a wooden spoon to break up lumps, for 5 minutes or until cooked. Remove from heat; cool slightly. Add to burghul.
3.Add tomato, onion, parsley, mint, juice and remaining oil to mince mixture; stir to combine. Season with salt.
4.Place lettuce on plates. Fill with chicken mixture. Top with hummus. Sprinkle radish and paprika over hummus. Serve at once.