1. Put the beef in a pan with the measured water
2. Add one peeled and quartered onion together with 1 flattened clove of garlic to the pan
3. Bring the mixture to the boil and let it simmer for 1 hour
4. Peel and mince 1 onion and pound it with the remaining garlic, ginger, coriander and turmeric
5. Chop the prawns roughly and fry them in 2 tablespoons of butter for about 2minutes
6. Add the pounded onion mixture to the prawns and fry for another 4minutes
7. Lift out the garlic and the onion from the soup using a perforated spoon
8. Add the prawn and beef mixture and continue simmering until the beef is tender
9. Take out the beef, thinly slice it and return it to the soup
10. Season to taste with the salt
11. Cut the remaining onion into thin rings and fry them until they are crisp
12. Stir the lime juice into the soup and sprinkle with the onion rings

List of ingredients required:

• Knob of fresh ginger
• 1 lb lean beef
• 3/4 level teaspoon ground turmeric
• 2 cloves garlic
• 3 onions
• 1 level teaspoon ground coriander
• 8 oz shelled prawns
• 3 level tablespoons butter
• 1 tablespoon fresh lime or lemon juice
• Salt
• 2 and 1/2 pints cold water