11 October 2016 Celery. 11 October 2016 Celery. (Non sticking to pan) The last of the garden celery for the 2016 season is being made into a powder for preservation. The stalks were cut into small pieces for blending into a slurry with water and 1/2 cup of nixtamalized corn. The corn is used to inhibit the slurry from sticking to the dehydrating pan. Dehydration is about 8 hours at 125F.The dehydrated material is blended into a powder and stored in jars at room temperature. Annotated pictures depict the process.