→ For the Crispy Beef
01 -
360g (about ¾ lb) thin-cut sirloin steaks, sliced into thin strips
02 -
1 small egg
03 -
4 tablespoons cornflour (cornstarch)
04 -
¼ teaspoon salt
05 -
¼ teaspoon black pepper
06 -
⅛ teaspoon white pepper
07 -
4½ tablespoons sunflower oil, divided
→ For the Sauce
08 -
1 medium onion, thinly sliced
09 -
1 red chilli, finely sliced (remove seeds for less heat)
10 -
1 teaspoon minced fresh ginger
11 -
3 garlic cloves, minced
12 -
2 tablespoons rice vinegar
13 -
3 tablespoons dark soy sauce
14 -
2 tablespoons tomato puree (tomato paste)
15 -
6 tablespoons caster sugar (or superfine sugar)
16 -
2 tablespoons tomato ketchup
17 -
2 tablespoons Thai-style sweet chilli sauce