Introducing other Aromatic Herb and Spices in Thai cuisine There are some key ingredients that give Thai food it's distinctive aroma, depth and layers of flavour. Lemongrass, galangal, lime (rind and leaves), coriander leaves, sweet Thai basil leaves and garlic are used in one way or another is all Thai dishes.

Where to Buy Lemongrass. Look for lemongrass in the herb section of your supermarket. Lemongrass can be sold in long stalks that you chop yourself, short stocks in a plastic container, or as a jarred or bottled paste.

Lemongrass in Thailand is called takhrai (ตะไคร้).

Masterclass tells shoppers that when looking for quality lemongrass, avoid leaves that look dried, feel soft, or have any browning. Instead, the fronds should look vigorously green, feel appropriately heavy, and have a firm quality to them.