1-First Step: Prep the chilies and gather everything Start by washing the red jalapeños and red bird’s eye chilies well. Remove the stems, then roughly chop them if you are using a mortar and pestle or leaving them whole for a food chopper. Measure out the salt, sugar, toasted shrimp paste, and lime juice so everything is ready before you begin. This keeps the process fast, which is handy for home cooks, students, and busy parents who need something quick.

2-Second Step: Pound the chilies, salt, and sugar Place the chilies, salt, and sugar into a pestle and mortar. Pound them until they become a semi-coarse texture. You do not need a smooth puree. In fact, a bit of texture gives Malaysian Sambal Belacan its traditional feel and helps it cling to rice, noodles, and vegetables. If you like a slightly softer heat, removing some seeds can help. For a stronger kick, leave them in. That small choice lets you adjust the sambal for different spice levels at the table.

3-Third Step: Add the toasted shrimp paste Incorporate the dry roasted shrimp paste and pound for another minute. This is the flavor step that matters most. Toasting the belacan first takes away the harsh raw edge and brings out a richer, nuttier aroma. Start with 1 tablespoon, then taste and adjust later if needed. The shrimp paste should smell savory and a little smoky after roasting, not sharp or raw. If you are new to belacan, do not worry about the scent at first. Once it is mixed with fresh chilies and lime, the flavor settles into a balanced, mouthwatering paste.

4-Fourth Step: Stir in the lime juice and zest Add the juice of 1 Persian-type lime or 2 small calamansi, then stir in the optional lime zest. The citrus brightens the paste and cuts through the saltiness of the shrimp paste. If the sambal feels too thick, a tiny splash more juice can loosen it. If it tastes too sharp, a pinch more sugar may help. This is also the point where you can decide if you want a coarser or brighter finish. Lime zest adds a fragrant lift, which is especially nice if you plan to serve the sambal fresh with grilled foods.

5-Fifth Step: Use a food chopper for a quicker version If you need speed, combine all ingredients in a food chopper and process to a smooth-ish consistency. This method is great when you want Malaysian Sambal Belacan on the table fast. It will be a little less rustic than the mortar and pestle version, but still full of flavor. For safety, pulse instead of running the chopper nonstop. Chili oils can be strong, so avoid touching your face and wash your hands well after handling the peppers.

6-Final Step: Jar, chill, and serve Transfer the finished sambal to a clean jar and refrigerate for up to 2 weeks. Let it sit for a few hours if you can, because the flavors settle and mingle as it rests. Serve it as a spicy condiment with steamed rice, noodles, stir-fries, salads, or as a canapé base. Malaysian Sambal Belacan is especially good with grilled meat, seafood, and roasted vegetables. It also makes simple leftovers taste much more interesting, which is a nice bonus for weeknight cooking.