Ingredients

1 bottle red wine

375ml vegetable oil

375ml soy sauce

125ml oyster sauce

3 teaspoons minced or crushed garlic

1 to 2 teaspoons dried oregano

8 fillet steaks

125g butter, softened

1 teaspoon red wine

1 tablespoon finely chopped onions

1 tablespoon finely chopped spring onions

1 teaspoon ground white pepper

1. To make the marinade; mix together wine (reserving 1 teaspoon), oil, soy sauce, oyster sauce, garlic and oregano in a medium saucepan. Bring to a boil, and then remove from heat. Place in the fridge for 1 hour or until chilled.
2. Place the steaks in a large baking dish, and pour the chilled marinade over them. Cover tightly with aluminium foil, and marinate in the fridge for a minimum of 5 hours.
3. To make the butter; in a medium bowl, cream butter and 1 teaspoon of wine with a hand mixer. Mix in the onions, spring onions and white pepper by hand; cover tightly, and refrigerate.
4. Preheat barbecue to high and preheat oven to 110 C.
5. Barbecue the marinated steak till done to your preference, turning once. Place the steak in a clean baking dish. Dollop with the onion/butter mixture, and warm in the preheated oven for a minute, or until butter is melted.

Note:

Allow 5 hours for the steaks to marinate.