Make Thai Curry Paste at Home: Green vs Red From Scratch
In Thailand, curry paste isn’t something you buy in a jar at the market—it’s something your mum makes on Sunday morning, pounding it fresh in a granite mortar while the family eats breakfast. The smell of green chilies, lemongrass, and galangal filling the kitchen means dinner is already planned. This isn’t restaurant cooking; it’s the foundation of what gets eaten at home three or four times a week, year-round. Understanding the difference between green and red paste, and why you’d choose one over the other, is the difference between cooking Thai food and actually eating like a Thai person.
Why Fresh Paste Changes Everything in Your Cooking
Store-bought paste sits in a jar losing its essential oils and aromatics. Fresh paste, made the moment you need it, has a completely different texture and flavor profile. In Bangkok and Chiang Mai, home cooks still use a mortar and pestle—the traditional tool that bruises ingredients rather than shredding them, releasing oils differently than a food processor. The technique matters because you’re not trying to create a smooth puree; you’re building layers of flavor by breaking down each ingredient at its own pace. Green chilies go in first, then salt, then the harder aromatics like galangal and lemongrass. Each addition gets worked into what’s already there, creating a paste that’s slightly grainy and textured. This method takes fifteen minutes by hand, but the result is something no blender can replicate—the fibers stay intact, holding onto flavor compounds that would oxidize if over-processed.
Green Paste: The Everyday Choice for Home Cooks
Green curry paste appears in home kitchens far more often than red, especially in central and northern Thailand. It uses young, unripe green chilies—typically Thai bird’s eye chilies or the slightly milder long green ones you’ll find at any market stall. The base is always the same: green chilies, garlic, shallots, lemongrass, galangal, Thai basil, coriander root (if you can find it), white peppercorns, and salt. Some families add a teaspoon of shrimp paste, though not everyone does. The green paste tastes fresher, more herbal, and less sweet than red. It’s what you use for everyday curries with chicken and bamboo shoots, or fish curries with morning glory greens. To make it: pound eight to ten green chilies with a pinch of salt until they break down, add minced garlic and shallots, then work in finely sliced lemongrass and thin galangal slices. Keep pounding until everything melds into a coarse paste. Taste and adjust salt. The whole process should take about twelve minutes.
Red Paste: For When You Want Something Richer and Deeper
Red curry paste uses mature, fully ripe red chilies—they’re sweeter and less sharp than green ones, which is why red paste tastes deeper and more complex. The ingredient list is nearly identical to green paste, but the red chilies dominate the flavor profile, giving you something earthier and more rounded. Red paste appears at family dinners when there are guests coming, or when someone wants to make a curry that’s less aggressive on the palate. It works beautifully with beef, pork, or seafood curries, especially with coconut milk-based dishes. To make red paste: use about eight to ten dried red chilies (rehydrated in warm water for five minutes) or fresh red chilies if you can find them. Pound them with salt, add garlic, shallots, then lemongrass and galangal. The technique is identical to green paste—slow, methodical pounding that takes roughly the same time. The main difference is that red paste keeps longer because the mature chilies are less delicate; you can make a batch and use it throughout the week without flavor degradation.
Start with whichever paste matches what you’re cooking tonight. Make it in small batches—enough for one or two meals. Your curry will taste nothing like the bottled version, and you’ll understand why Thai home cooks still do this by hand.
Sarah Kim is WokFeed's Korean food correspondent. A Seoul native who grew up eating in pojangmacha tents and KBBQ restaurants, she now writes about the global spread of Korean food culture. Her coverage spans traditional ganjang gejang to viral K-food trends on TikTok.
