Analysis of information sources in references of the Wikipedia article "พริกแกง" in Thai language version.
The technique may have come from southern India, by way of the royal courts of Indianized Southeast Asia. The recipes reflect taste preferences, locally available spices and herbs, and trade routes. Burma has the most direct Indian borrowings, adding turmeric to the mixture of chiles, garlic, ginger, and onions. Another version traveled from India, by way of Java, into the Khmer courts, and from there into the royal kitchens of Ayuttaya, Thailand, adding cardamom and tamarind to replace the turmeric. Cambodia and Thailand add lemongrass and galangal to the mixture; Malaysia makes more use of wild lime leaves; Vietnam adds more star anise. Malaysian and Indonesian dishes make greater use of the spices that first drew the Europeans to the area—cinnamon (or cassia), cloves, and nutmeg.
