Foryoueats: Beef, Mushroom & Ginger Stir-fry

Ingredients

• 400g (14 oz) thinly sliced beef
• 2 tbsp vegetable oil
• 3 garlic cloves, roughly chopped
• 1 onion, sliced
• 4cm piece ginger, finely julienned
• 300g (10 oz) mushrooms, halved or quartered
• ¼ cup sliced spring onions
• Marinade:
• 2 tbsp soy sauce
• ½ tsp baking soda
• 3 tsp corn flour (cornstarch)
• Stir-fry sauce:
• 3 tbsp oyster sauce
• 1 tsp dark soy sauce
• 2 tsp sugar
• 2 tsp white vinegar