Kerala Style Avial Recipe Kerala Style Avial or Sadya Aviyal is a traditional mixed vegetable curry that is one of the important dishes in Kerala Sadya. It makes use of many seasonal root vegetables and is healthy and flavorful. Traditional Avial is a tasty and nutritional dish made with seasonal vegetables like snake gourd, yellow cucumber, taro or colocasia, elephant yam, carrot, beans, and drumsticks. We can also add potato, pumpkin, and ivy gourd as well. Though Avial is popular in Kerala, it is also prepared in the states of Tamil Nadu and Karnataka as well with variations in taste