Shrimp Paste Guide: Belacan, Bagoong & Kapi Explained
Shrimp paste smells like low tide at a fish market, and that’s precisely why it works. Western cooks often recoil at the aroma before they’ve tasted a single dish, missing the point entirely. This fermented condiment isn’t meant to be smelled straight from the jar—it’s a building block, a flavor anchor that transforms bland ingredients into something worth eating. Once you understand how to deploy it, you’ll find yourself reaching for it constantly.
Belacan: Malaysia’s Umami Foundation
Malaysian belacan is the most intensely flavored version of fermented shrimp paste, typically darker and more pungent than its Southeast Asian cousins. You’ll find it pressed into small brick-shaped blocks at any Malaysian grocer, though the quality varies dramatically. The best comes from Penang’s coastal towns, where producers still sun-dry the paste in wooden trays—a process that concentrates flavor over weeks. Belacan appears in sambal belacan, the foundational condiment served alongside nasi lemak and grilled fish throughout Malaysia. The technique is straightforward: pound dried chilies, garlic, and a small piece of belacan together with a mortar and pestle, then finish with lime juice and salt. This sambal works as a condiment, a marinade, and a sauce all at once. In Kuala Lumpur’s hawker stalls, you’ll see vendors preparing it fresh multiple times daily, adjusting heat levels for different customers. The paste also strengthens curry bases—a teaspoon stirred into laksa broth adds depth that hours of simmering alone cannot achieve.
Bagoong: The Filipino Workhorse
Filipino bagoong occupies a different position in the kitchen. It’s saltier and slightly less funky than belacan, with a looser consistency that makes it easier to measure and incorporate. You’ll see it sold in glass jars at Filipino markets, sometimes labeled as shrimp paste or alamang. The paste serves multiple functions: it’s eaten as a condiment alongside grilled fish and fresh vegetables (particularly with unripe mangoes), stirred into rice as a simple meal, and used to season vegetable dishes like ginisang gulay. In the Ilocos region, bagoong is central to pinakbet, a vegetable stew combining bitter melon, okra, eggplant, and tomatoes with a spoonful or two of paste for salinity and depth. Unlike belacan, bagoong rarely appears in raw salsas—it’s almost always cooked into dishes. The fermentation process in the Philippines tends toward the briny side, reflecting the country’s fish sauce traditions. Many Filipino families keep a jar open in the refrigerator for months, using it sparingly as needed.
Kapi: Thailand’s Subtle Player
Thai kapi represents the lightest touch of the three. It’s paler, less aggressive, and more delicately balanced—characteristics that reflect Thai cooking’s preference for layered, nuanced flavors over bold statements. Kapi appears most famously in nam pla, Thailand’s essential dipping sauce combining the paste with lime juice, fish sauce, and chilies. You’ll find it in Bangkok’s street food stalls where vendors mix it fresh to order, adjusting proportions based on the accompanying dish. The paste also strengthens curry pastes, particularly green and red curries where it adds marine depth without dominating. Unlike belacan’s starring role in Malaysian sambals, kapi works behind the scenes in Thai cooking, supporting rather than commanding. The fermentation period is typically shorter than Malaysian or Filipino versions, resulting in a milder flavor profile. When purchasing kapi, look for brands from central Thailand rather than imports—the fresher paste maintains better texture and cleaner flavor. A small jar lasts months because you’re using teaspoons rather than tablespoons.
Start with kapi if you’re new to fermented shrimp paste—its subtlety makes it forgiving. Buy from Asian grocers rather than general supermarkets, where selection is limited and turnover is slow. Store any paste in the refrigerator after opening, and don’t judge it by smell alone. The first time you taste a properly made sambal belacan or pinakbet, you’ll understand why these pastes have remained essential across the region for generations.
James Liu covers Chinese and East Asian cuisine for WokFeed. A food anthropologist turned journalist, he specializes in the regional diversity of Chinese cooking — from Sichuan's fiery flavors to Cantonese dim sum culture. Based between Hong Kong and San Francisco.
