Beef and ginger stir-fry

Ingredients

• 600 grams beef fillet, thinly sliced
• 1 tablespoon finely grated ginger
• 1/3 cup shao hsing wine (chinese cooking wine)
• 2 tablespoons vegetable oil
• 1 medium (150g) onion, finely sliced
• 2 cloves garlic, finely chopped
• 1/4 cup (60ml) oyster sauce
• 1 tablespoon soy sauce
• 1/2 teaspoon sesame oil
• 4 spring onions, trimmed, cut into lengths
• steamed asian greens, to serve