Gaeng Runjuan is a royal Thai cuisine. There are important ingredients such as spicy shrimp paste because in ancient Thais didn’t waste grain, so spicy shrimp paste left over from the previous meal. It’s used to do Gaeng Runjuan. To make boiled beef, add lemon grass, basil leaf, garlic, shallot, and spicy shrimp paste the small is very fragrant and mouthwatering, and this is the origin of name Gaeng Runjuan.