Toast belacan in a non-stick pan until crumbly. This will take about 3 to 5 minutes. Remove and allow to cool .
Break red chilies into smaller pieces shaking off seeds as much as possible. Place toasted belacan and chilies in a small food processor and processed until desired level of fineness.
Alternatively, belacan and chilies may be pounded in a stone mortar and pestle to the desired level of fineness.
Transfer to a jar. Squeeze in lime juice.
Store in the refrigerator and consume within 2 to 3 days.