Sauté onion and garlic in the oil. Cool slightly then mix with mince, ketchup, oyster sauce, parsley and cheese. Season and shape into 8 burgers. Chill for 30 minutes.
Lightly brush burgers with oil and grill or barbecue for 6-8 minutes. Serve with toasted buns and the toppings of your choice.
Freezing and defrosting guidelines
In order to enjoy optimum flavour and quality, frozen items are best used within 3 months of their freezing date. Always defrost and heat thoroughly before eating. For more tips on freezing and defrosting food, read our article Love Your Freezer.
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For top tips on protecting you and your family when preparing raw meat and poultry, visit Food Safety in the Home.