Matt Moran's family lamb recipe is the best-selling dish at his renowned restaurant, Chiswick.
Place the lamb in a container, pour over enough brine to cover, then cover with plastic film and place in the fridge for 3 hours. Remove the lamb and pat dry with paper towel.
Preheat the over to 110 degrees Celsius. Place the lamb in a casserole dish with the garlic, rosemary and chicken stock. Cover and roast for 3 1/2 hours or until the meat is falling off the bone.
To make the hummus, place all the ingredients in a food processor and process until smooth. If it's too thick, add 2 1/2 tablespoons water, a little at a time, until it is the consistency of a puree. Season with salt and pepper, to taste. Transfer to a serving dish. Wash and dry the food processor.
To make the mint salsa, place the garlic, parsley, mint and grapeseed oil in the food processor and process until smooth. Transfer to a mixing bowl, stir in the vinegar and season with salt and pepper to taste.
To make the tomato salad, place the onion in a heatproof bowl and pour over enough hot pickling liquid to cover. Cover the bowl with plastic film and set aside until the onion and liquid have cooled. Drain the onion and place in a mixing bowl with chickpeas, tomato and herbs. Lightly dress the salad with the classic dressing.
Serve the lamb with hummus, tomato salad and mint salsa alongside.