To Make Paste
In a mortar and pestle, grind the dried chilli, then set aside.
Grind the white peppercorns, coriander seeds, cumin seeds, nutmeg, cardamom, cinnamon and cloves into a fine powder.
Combine with the ground dried chilli and set aside.
To Make Paste
Place galangal, lemongrass, coriander roots and salt into the mortar and pound until it turns into a paste.
Add the shallots and garlic and pound well. Then add in the dry spices powder gradually to absorb the moisture of the paste.
Add the shrimp paste, then pound until fine and well mixed.