Foryoueats: Beef & Black Bean Stir-fry

Ingredients

• 500g (1 lb) rump steak
• 2 tbsp vegetable oil
• 1 onion, sliced
• 2 capsicums (bell peppers), deseeded, cut into bite-sized pieces
• ¼ cup oyster sauce
• 2 spring onions (scallions), roughly chopped
• Marinade:
• 1 tbsp soy sauce
• 1 tbsp Chinese Shaoxing wine*
• ½ tsp bicarbonate of soda (baking soda)
• 3 tspcornflour(cornstarch)
• Homemade black bean sauce:
• ¼ cup peanut oil
• 8 garlic cloves, finely grated
• 4cm piece ginger, peeled & finely grated
• ½ cup salted fermented black beans*
• 2 tbsp Chinese shaoxing wine
• 1 tbsp light soy sauce
• 1 tbsp sugar
• 1 tsp cornflour (cornstarch)