Preheat barbecue for medium-high heat and lightly oil grate.
In large bowl combine beef mince, lamb mince, onion, garlic and bread crumbs. Season with savoury, allspice, coriander, salt, pepper and cumin. Knead until mixture is stiff. Shape into 4 very thin patties.
Cook patties for 5 to 7 minutes on each side or until cooked through.