Kroeung (Khmer: គ្រឿង, Khmer pronunciation: [krɨəŋ]) is the generic Cambodian word for a number of spice/herb pastes that make up the base flavors of many Khmer dishes. Such dishes are often dubbed with the "-kroeung" suffix. Kroeung is traditionally made by finely chopping the ingredients and grinding them together using a heavy mortar and pestle although mechanical food processors can be used in modern kitchens. The resulting paste is similar in form and function to Thai curry pastes. Various ingredients, depending on the dish and the taste of the cook, can be pounded into kroeung. The eight most commonly used are Lemon grass, Magrut lime zest and leaves, Galangal, Turmeric, Garlic, Shallots, Dried Red Chillies and various Rhizomes (Lesser Galangal, Boesenbergia rotunda (Khmer: ខ្ជាយ), Kaempferia galanga, etc.). This herbal paste is essential for preparing Khmer dishes in order to create the authentic flavour.
Kroeung has two main categories: "Individual Kroeung" and "Royal Kroeung". Individual Kroeung are dishes which may call for extra ingredients specific to the dish, resulting in a unique-use kroeung. Royal Kroeung on the other hand is fairly standardized. The various types of kroeung can be further distinguished by their colors, specifically, yellow, green and red. The Color Kroeung are commonly used to make stuffings, soup, and stir-fry.