Ingredients
Method
1.Combine beef, garlic, onion, sauce, sugar, chilli and galangal in a large bowl, cover; refrigerate 3 hours or overnight.
2.Trim spinach stems; crush stems with a meat mallet or rolling pin. Chop leaves coarsely.
3.Bring the water to the boil in a large saucepan, add spinach and beef mixture; simmer, uncovered, 2 minutes.
4.Remove soup from heat; stir in juice and Vietnamese mint leaves; season to taste.