Method 2 of 3: Prepare the Sambal Chilli
1. Blend chilli, shallots, belacan and garlic into a paste.
2. Heat up the cooking oil in a saucepan.
3. Fry the sliced onions until golden
4. Add in the blended paste and stir fry it for about 2 minutes.
5. Add in the tamarind paste and prawns.
6. After about 1 minute, add sugar and salt to taste.
7. Cook until the gravy thickens.
8. If the gravy is too dry, add some water.
9. Turn off the heat.