Cut the lemongrass into small rings, then use a mortar and pestle to pound them lightly. This will help release the aromas and wonderful fragrance of the lemongrass. If you don’t have a mortar and pestle, you can use the back of a knife to pound them.
Rinse the chicken and pat it dry with paper towels. Add the lemongrass and garlic to the chicken, gently rubbing them in. Add all the marinade ingredients to the chicken and stir to mix well, ensuring the drumsticks are evenly coated. Set aside to marinate for at least 30 minutes, or preferably a few hours.
Preheat the oven to 375°F (190°C). Line a tray with a baking sheet and arrange the chicken on it. Bake for 30-40 minutes in the middle of the oven, or until the surface turns golden brown, slightly charred, and the inside is cooked through. Transfer the chicken to a plate, reserving the tasty juices that seep out, and serve immediately.
Notes
If there are burnt lemongrass and garlic on the chicken, scrape them off before eating.