For spicy chicken & preserved lemon pittas,
heat 2 tablespoons olive oil and a knob of butter in a frying pan or tagine, stir in 2 crushed garlic cloves and cook for 1 minute, then stir in 1½ teaspoons harissa paste and 250–350 g ready-cooked chicken, cut into strips and tossed with 2 teaspoons turmeric. Heat through, then add 1 tablespoon chopped preserved lemon rind and 1 tablespoon chopped coriander. Season and spoon into 4 pitta breads. Serve with dollops of natural yogurt and a sprinkling of chopped flat leaf parsley.