unroast

From un- +‎ roast.

unroast (third-person singular simple present unroasts, present participle unroasting, simple past and past participle unroasted)

1. (transitive) Hypothetically, to undo the roasting of; to uncook.
   • 1950, Utilization of Farm, volumes 3-5, page 1278:

     As a matter of fact, a standard joke in the coffee industry during October-November was that anyone could make a fortune if he could discover a means of "unroasting" coffee […]

   • 1969, François marquis de Barbé-Marbois, Eugene Parker Chase, Our Revolutionary Forefathers: The Letters of François, Marquis De Barbe-Marbois, page 186:

     The interpreter told us that the boy who had been turning the spit first had hit his successor because the latter was turning it backwards, and would unroast the chickens.

2. (transitive, rare) Among raw food enthusiasts: To process (vegetables) in a dehydrator, as an alternative to roasting them.
   • 2010, Alissa Cohen, Leah J. Dubois, Raw Food for Everyone:

     Unroasting vegetables in the dehydrator softens them, allowing their flavors to intensify and become almost sweet. Almost any vegetable takes well to unroasting. Try diagonally cut carrots, green beans, halved Brussels sprouts, […]

   • 2014, Lisa Montgomery, The Complete Book of Raw Food, volume 2:

     I also use it for sprouting wild rice, quinoa, and unroasting vegetables, and it's great for melding flavors when you make a lasagna or veggie burgers.

unroast (not comparable)

1. Not roasted.
   • 1850, Gospel Magazine, volume 2:

     […] inasmuch as they disobey even the very law under which they place themselves; which expressly forbids the eating of flesh (unroast), and the drinking of blood, […]