In food processor put canned tomatoes including juice and Jalapenos. (I use whole Jalapeno ... want the full "Hot Cha" toe curling effect use ... chilled for 24 hours.
In a pot combine chicken ... leaves, lemongrass, fish sauce and crushed peppers to boil ... shrimps, straw mushrooms, jalapenos and salt and pepper to ... seasoning again. Serve immediately.