Ingredients:

2 tablespoons olive oil
1 large (200g) onion,sliced thinly
500g beef mince
150g sausage mince
1 small (80g) onion,chopped finely
2 tablespoons Worcestershire sauce
1 tablespoon finely chopped fresh parsley
salt and freshly ground black pepper
4 round bread rolls, halved
4 leaves butter lettuce,halved
2 medium (300g) tomatoes,sliced thickly
1 (45g) dill cucumber,sliced thinly
1/3 cup (110g) tomato relish

Methods:

Heat half the oil in a large frying pan;add sliced onion,cook,stirring,until browned.Remove from pan; cover to keep warm.Meanwhile,combine mince,sausage mince,chopped onion, sauce,parsley,salt and pepper in a bowl; mix well.Shape mixture into patties using Burger Mate. Heat remaining oil in same pan;cook patties until browned on both sides and cooked through. Grill cut side of buns until toasted lightly.Divide lettuce among base of buns;top with patties, tomatoes,dill cucumber,onion,and tomato relish then tops of buns.