Prepare the ingredients: 3-6 large red chillies, 5-6 small chili padi, 2 large red onions, 2 inches of ginger, 3-4 cloves of garlic, 3 inches of fresh turmeric root.
Add shrimp paste for 2 inches.
Boil water and add the prepared ingredients.
Include 2 tamarind pieces and half a pineapple.
Let it simmer until the liquid has a tangy flavor.
Place 6 small mackerel or other fish in the soup, or any type of fish that is suitable for cooking with pandan leaves.
Add water to cover the fish.
Include a handful of pandan leaves for added aroma.
Simmer until the fish is cooked through, then add salt and seasoning.
Finally, add peanuts.
The ikan asam rebus is now ready to serve.