Easy Chinese beef and tomato

Name: Easy Chinese beef and tomato
Prep time: 10 min
Cook time: 40 min
Total time: 40 min
Yield: 4 portions
Ingredients: 600 g beef rump steak; 25 g Shaoxing wine; &frac18; tsp white pepper; 2 tsp bicarbonate of soda; 2 tsp cornflour; 200 g water; 50 g vegetable oil; 10 g sesame oil; 150 g brown onion; 3 garlic cloves; 3 cm fresh ginger; 1 tbsp Meat stock paste; 2 tsp oyster sauce; 100 g red capsicum; 1 tsp tomato paste; 2 pinches dried chilli flakes; 25 g white sugar; ½ tsp sea salt; ¼ tsp ground black pepper; 400 g fresh tomatoes; cooked rice