Prawns In Pineapple (Nanas Udang) - cooking recipe

Ingredients

30 small onions, peeled
10 red fresh chili peppers
1 piece hard shrimp paste
5 stalks lemongrass
6 pieces blue gingerroot
1 piece turmeric, root
2 -3 pieces dried tamarind (assam skin)
0.5 (100 g) packet chili paste
1 medium pineapple, cut into cubes
prawns, and or treadfin fish

Preparation

Grind everything together except assam skin to a fine paste.
1/3 of a small packet of asasam to be mixed in a pot of water then strained.
Boil assam water, then add ground ingredients with assam skin.
Boil on slow fire for 45 minutes.
Add prawns or fish 15 minutes before serving.