Ingredients
Method
1.Shape beef into four patties.
2.Make caramelised onion. Heat oil in large frying pan; cook onion, stirring, until soft. Add sugar, vinegar and the water; cook, stirring, until onion is caramelised.
3.Cook patties on heated oiled grill plate (or grill or barbecue) until cooked through. Top each patty with cheese slices during last minute of cooking.
4.Meanwhile, toast buns, cut-sides down, on grill plate.
5.Divide patties, caramelised onion, tomato, lettuce and pickle among buns; serve with mustard and sauce.
To freeze: Complete recipe to the end of step 1. Individually wrap patties in plastic wrap. Label, date and freeze for up to three months. Thaw overnight in the refrigerator. Continue from step 2.
Note