Lemongrass in Asian Cooking: Southeast Asia’s Essential Herb
In Bangkok, my grandmother didn’t buy lemongrass for special occasions—she bought it three times a week at Chatuchak Market, the same way she bought fish sauce and garlic. It was as routine as breathing. For most Southeast Asians, lemongrass isn’t an exotic ingredient you hunt down at specialty shops; it’s the backbone of weeknight cooking, the thing that makes a pot of broth taste like home instead of like boiled water with meat in it.
Why Lemongrass Matters More Than You Think
Lemongrass works differently than other citrus in cooking. A squeeze of lemon juice is bright and sharp—it announces itself. Lemongrass whispers. It’s the white and pale green parts that do the work, not the tough outer layers tourists see in markets. When you bruise these sections and simmer them in a broth, they release oils that taste both grassy and floral, with a clean citrus undertone that doesn’t overpower other ingredients. In Vietnam, a simple chicken soup with lemongrass, ginger, and turmeric is what people actually eat when they’re sick or tired, not pho. In Thailand, it’s pounded into curry pastes with garlic, chilies, and shrimp paste—the foundation of everything from gaeng phed to massaman. In Indonesia, it flavors satay marinades and fish curries. The herb doesn’t dominate; it connects.
How to Prepare It Like Someone Who Cooks Daily
Most Western recipes tell you to mince lemongrass finely, which works for some dishes but misses the point for others. Locals use different techniques depending on the dish. For soups and braises, cut the stalks into 2-inch pieces and bruise them with the side of a knife—this releases the oils without breaking down the fibers completely, so you can fish them out before serving. For curry pastes, use a mortar and pestle to pound the white parts into a rough paste with other aromatics; a food processor makes it too wet. For satay marinades or grilled fish, mince it finely so it clings to the meat. The key is understanding that lemongrass is structural—it flavors the cooking liquid, not necessarily the final bite. In a Vietnamese lemongrass chicken dish (gà nướng sả), the stalks infuse the marinade, but the meat gets its flavor from the rendered fat and caramelized edges, not from eating lemongrass chunks.
Where to Find It and What to Look For
Fresh lemongrass is now available at most supermarkets in the US, UK, and Australia, often cheaper at Asian markets. Look for stalks that are firm and pale green at the base—brown, papery stalks are old. Squeeze gently; they should feel solid, not hollow. Dried lemongrass exists but tastes dusty and flat; frozen works better if fresh isn’t available. Store fresh stalks in the fridge wrapped in damp paper towels for up to two weeks. In Southeast Asia, we don’t think about storage because we buy it twice a week. If you’re cooking Southeast Asian food regularly, that’s the habit worth building. Buy lemongrass alongside your regular groceries, not as a special ingredient hunt. It’s cheaper that way, fresher that way, and you’ll use it more often.
Start with a simple Vietnamese lemongrass chicken or a basic Thai curry paste. These dishes show you how the herb actually works in a kitchen, not in a recipe description. Once you understand that texture—how it softens in heat, how its flavor develops over time—you’ll know when to use it and how much. That’s the real skill, and no recipe can teach it.
Maya Chen is WokFeed's founding editor and lead food journalist. She has spent 8 years eating her way through 40+ Asian cities, from hawker centres in Singapore to izakayas in Osaka. Her work focuses on street food culture, culinary history, and making Asian food accessible to international readers.
