Indonesian spicy sauce is a little different from the local style. It requires more spice dry ingredients and pounding the dry ingredientsis a messy chore. If you have a food blender, you be glad that you don't have to dodge the paste from spitting into your eyes.It is advisable to prepare this spicy paste one day before hand so as not to hinder your time in cooking other side dishes. 

Best Steam Fish Recipe: Indonesian Style Spicy Steam Fish