Following the popularization of the dish, currently the favored vegetables include cauliflower, daikon, cabbage, chinese cabbage, carrot, long beans and asparagus, as well as cha om omelet.
The versions using shrimp instead of fish are more popular; kaeng som with shrimp and cha-om omelet is now a standard dish in Thailand. Other types may include pineapple or seafood. The common point, however, is that coconut milk is not used in this sour curry