Nam Phrik Kaeng Daeng (Red Curry Paste)

Nam Phrik Kaeng Daeng is the foundation of Thai red curry, and making it from scratch produces a paste with a depth and fragrance that jarred versions can’t touch. Dried chilies, garlic, lemongrass, coriander root, dry-roasted spices, and shrimp paste all get blended into a concentrated, aromatic paste.

Dry-roasting the coriander and cumin seeds before grinding transforms them. Raw seeds taste flat and dusty; five minutes in a dry wok pulls out their essential oils, filling the kitchen with a warm, toasty aroma. Grinding them while still warm releases even more flavor.

Soaking the dried chilies in hot water for 15 minutes softens them enough to blend smoothly. Deseeding before blending controls the heat level while keeping the fruity, smoky chili flavor intact. The shrimp paste goes in last and adds that funky, deeply savory umami backbone that defines Thai curry.

Kitchen Tips

• Use a blender rather than a food processor for the smoothest paste. Food processors leave fibrous bits of lemongrass and chili skin that can make the curry gritty.
• Coriander root (not leaves or stems) is traditional and adds an earthy depth the other parts of the plant can’t replicate. If unavailable, use the stems as the closest substitute.
• Store in a clean glass jar in the refrigerator. This paste keeps for 3 to 4 months and actually improves in the first week as the flavors marry.
• A little goes a long way. Start with 2 tablespoons per can of coconut milk and adjust from there.

Variations

• Green curry paste: Replace the dried red chilies with fresh green chilies and add more coriander for the classic green version.
• Vegan version: Omit the shrimp paste and substitute white miso paste for a plant-based umami source.