Vibrant and colorful harvest festival of Onam is celebrated in the
beginning of the first month of Malayalam Calendar (Kolla Varsham)
called Chingam. This corresponds with the month of August-September
according to Gregorian Calendar and the sixth month of Indian (Hindu)
Calendar called Bhadrapada or Bhadon.
You can find How to create paysam ( Ada, Pal paysam and more onam
dishes )
http://www.palakkadtourism.org/bb/viewforum.php?f=16
Regards,
Palakkadtourism.org