Name: Thai Grilled Chicken (Gai Yang) with Lemongrass Marinade and Coconut Rice Recipe
Prep time: 8 min
Cook time: 12 min
Total time: 24 h 20 min
Cuisine: Thai
Ingredients: 2 lb / 1 kg chicken thigh fillets (skinless, boneless); 1 large lemongrass stalk, white part only, sliced 5mm / 1/5″ thick; 4 cloves garlic, peeled (whole); 2 1/2 tbsp fish sauce; 1 tbsp light soy sauce (or any all-purpose soy or tamari); 2 tsp dark soy sauce; 3 tbsp (tightly packed) brown sugar or palm sugar; 2 tbsp oil (vegetable, canola, or any neutral flavoured oil); Nam Jim Jaew – traditional Thai dipping sauce for meat (recommended); Lime Sweet Chilli Sauce from Thai Beef Bowls recipe (quick to make); Bottle of sweet chilli sauce; Lime wedges; Red chili, finely sliced (optional); Cilantro / coriander leaves (optional); Coconut rice

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There’s something truly magical about Thai Grilled Chicken (Gai Yang) with Lemongrass Marinade and Coconut Rice Recipe that transports me right to a bustling street market in Bangkok. I still remember the first time I tried making this at home — the fragrant aroma of lemongrass and garlic simmering through the kitchen instantly brought everyone to the table. It’s the kind of recipe that impresses friends at any backyard barbecue but is so easy you can whip it up any day you’re craving bold, authentic flavors.

This dish stands out because of its vibrant balance — the lemongrass lends a citrusy brightness, while the marinade’s sweet and savory notes caramelize beautifully on the grill. The chicken stays incredibly juicy thanks to that marinade, and paired with fluffy, gently fragrant coconut rice, you’ve got an irresistible pairing of textures and flavors. Plus, this recipe is versatile — you can BBQ, pan-fry, or even oven-grill — and the colors, from golden chicken to bright fresh cilantro, make it a feast for the eyes as well.

If you’re new to Thai cooking or grilling in general, don’t worry — I’ve got your back. I’ll walk you through each step so your Thai Grilled Chicken (Gai Yang) with Lemongrass Marinade and Coconut Rice Recipe turns out perfectly juicy and flavorful the first time. No pounding pastes or complicated techniques here — just straightforward steps that bring authentic Thai street food right into your kitchen.

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Why This Recipe Shines

Flavor Harmony: The lemongrass and garlic blend creates a bright yet savory marinade that caramelizes beautifully.
Easy Assembly: Uses a quick blitz method — no pounding or complicated pastes needed.
Texture Play: Juicy chicken thighs with crispy edges paired with fluffy coconut rice.
Showstopper Finish: Vibrant garnishes and a traditional dipping sauce add that authentic street food flair.

The image shows four grilled pieces of dark brown meat with a shiny glaze and slight char marks, stacked closely in the center of a white plate. Bright red sliced chili peppers and scattered green cilantro leaves are sprinkled over the meat. Around the edges of the plate are several light green lime wedges, some resting on the meat. In the background, near the top edge, there is a portion of white rice with small green cilantro leaves on top, and some cucumber slices are also visible behind the meat. The plate sits on a white marbled surface. photo taken with an iphone --ar 4:5 --v 7

Ingredients You’ll Be Working With

Measuring right matters here — precise amounts really help the marinade achieve that perfect balance of sweet, salty, and tangy. You’ll find exact quantities in the recipe card, but below is a general guide to what you’ll need and why.

Chicken thigh fillets: Skinless and boneless for tender, juicy meat; thighs stay moister than breast.
Lemongrass stalk: Adds bright citrus aroma; white part only for tenderness and flavor.
Garlic cloves: Essential for rich, savory depth in the marinade.
Fish sauce: Briny umami backbone; authentic Thai flavor essential.
Light soy sauce: Salty and mild, balances flavors without overpowering.
Dark soy sauce: Adds sweetness and deep color without bitterness.
Brown sugar or palm sugar: Sweetens and helps create that beautiful caramelization.
Neutral oil: Keeps the marinade smooth and aids grilling without smoke flavor interference.
Lime wedges, red chili, cilantro: For fresh garnish and optional heat.
Coconut rice: Creamy and fragrant base to soak up all those amazing juices.

If you can’t find fresh lemongrass, a good-quality lemongrass paste works too—just use about a tablespoon. And if you’re sensitive to fish sauce, you can reduce it slightly or substitute part with soy sauce for less intense brininess.

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Chef’s Note

You’ll find the complete list of ingredients with exact measurements in the printable recipe card at the bottom of this post.

Tools You’ll Need

Stick blender or food processor: For quickly pureeing lemongrass and garlic to get a smooth marinade.
Mixing bowl: To toss chicken evenly in the marinade.
Grill or heavy skillet/pan: Grill gives authentic charred flavor; pan works well if indoor cooking.
Tongs: Easy flipping without piercing the chicken, preserves juiciness.
Instant-read thermometer: Optional but helpful to ensure perfectly cooked chicken (165°F / 74°C).
Measuring spoons: Accuracy is key for balanced marinade flavor.

How to Make Thai Grilled Chicken (Gai Yang) with Lemongrass Marinade and Coconut Rice Recipe

Let’s get cooking! The secret to this recipe’s flavor is in the marinade, followed by perfect grilling to get that char without burning. Here’s how I tackle it every time.

Prepare the Marinade: Place the sliced lemongrass (white part only), garlic cloves, fish sauce, light soy sauce, dark soy sauce, and brown sugar into a tall jug or food processor bowl. Blitz with a stick blender until smooth. If you don’t have a stick blender, grate the lemongrass and finely mince the garlic then mix well.
Add Oil and Combine: Pour the chili-free vegetable oil into the marinade mixture and stir to combine thoroughly. This oil helps the marinade cling and prevents sticking while grilling.
Marinate the Chicken: Toss the boneless, skinless chicken thigh fillets in the marinade until well-coated. Cover and refrigerate for at least 3 hours — but ideally overnight for maximum flavor and juiciness.
Preheat Grill or Pan: If using a BBQ, get it hot on high heat. For stove, heat a non-stick frying pan over high heat to get that good sear.
Cook the Chicken: Remove chicken from the marinade, letting excess drip off (discard the marinade). Place chicken on the grill or pan, then lower heat to medium to prevent burning due to sugar content. Cook for about 5 to 6 minutes each side until golden brown and cooked through (internal temp of 165°F / 74°C). Don’t hesitate to flip repeatedly if edges start to burn—you want caramelized, not charred.
Rest and Serve: Let the chicken rest for 3 minutes before slicing. Serve it beside steaming coconut rice, lime wedges, fresh cilantro, and optional sliced chilies. Spoon on Nam Jim Jaew, or your favorite Thai dipping sauce for an extra kick.

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Kitchen Wisdom

Tip 1: Use boneless, skinless thighs for the best balance of juicy texture and easy grilling.
Tip 2: Always discard leftover marinade to avoid contamination.
Tip 3: Don’t rush marinating — even 3 hours helps, but overnight brings deep flavor.
Tip 4: Use lime wedges generously to brighten the rich marinade flavors when serving.

How to Serve

The dish shows a white plate with steamed white rice forming the bottom layer, topped with sliced grilled chicken that has a charred, caramelized brown crust and juicy, tender inside. A glossy, spicy sauce with green herbs and red chili slices is drizzled over the chicken, with some pooling on the rice. On the side, several thin cucumber slices and two lime wedges add fresh green and yellow colors. A silver fork is holding one piece of chicken, lifting it slightly from the rice. The plate rests on a white marbled surface. Photo taken with an iphone --ar 4:5 --v 7

Flavor Boosters

Spoon a classic Nam Jim Jaew dipping sauce over your Thai Grilled Chicken (Gai Yang) with Lemongrass Marinade and Coconut Rice Recipe for a tangy, sweet, and spicy lift. If you prefer something milder, a drizzle of simple sweet chili sauce works beautifully, balancing the smoky caramel notes. Freshly sliced red chilies and coriander leaves garnish dish perfectly for that final fragrant touch.

Perfect Pairings

This chicken goes hand-in-hand with fluffy coconut rice, which soaks up the juicy marinade drippings. A crisp cucumber salad or quick pickled vegetables add refreshing crunch that balances the richness. For drinks, a cold Thai iced tea or a light beer is a great match, cutting through the savory-sweet flavors with cooling sweetness or refreshing bubbles.

Presentation Touches

For gatherings, slice the chicken into thin strips for easy sharing with toothpicks or skewers. Serve coconut rice molded in small bowls for a restaurant-style flair. If you’re gifting this recipe idea, pack the marinade separately and include fresh lemongrass to make it extra special and authentic.

Variations & Easy Swaps

Use chicken breasts sliced thinly if thighs aren’t available—adjust cooking time to avoid drying out.
Swap coconut rice for jasmine or brown rice for a nuttier texture and flavor.
Add a pinch of chili flakes to the marinade for extra heat if you like it spicy.
Make it dairy-free and gluten-free easily by choosing tamari instead of soy sauce and sticking to plant-based oils.
Try grilling shrimp or tofu with the same marinade for another delicious twist.

Make-Ahead, Storage & Reheating

Marinate chicken up to 24 hours ahead—flavors deepen over time.
Cooked chicken keeps well in the fridge for 3 to 4 days in an airtight container.
Reheat gently in a pan over medium heat to keep edges crispy, or microwave covered for 1–2 minutes.
Coconut rice also refrigerates well for up to 3 days; reheat with a sprinkle of water to revive moisture.

FAQs

Can I use chicken breast instead of thighs? Yes, but slice breast thinly or pound it for even cooking. Adjust heat to avoid drying out, as breast is leaner.
Is it necessary to marinate overnight? For best flavor and juiciness, overnight is ideal, but 3 hours minimum will still give good results.
What if I don’t have fresh lemongrass? A tablespoon of lemongrass paste can substitute—just remember it’s milder, so flavor won’t be quite as intense.
Can I cook this in the oven? Yes! Use broil mode for 15 minutes, turning midway to get caramelization. Baking is also fine but expect less char.
Do I need a dipping sauce? Traditional Nam Jim Jaew is wonderful, but the marinade itself is flavorful enough that it’s optional.