This video explains how to make thalassery dum biriyani. This is one of the tastiest biryani ever had. Go ahead and try it out . Thalassery Chicken Biriyani is a traditional Biriyani recipe of North Kerala. Here, describe how to prepare a perfect Thalassery Biriyani that is a favorite of many food lovers all over the World. The main spices in this biriyani is the green chillies and garam masala..