“Crunchable” is a proper adjective with its own proper entry and a quotation from H. G. Wells to attest it.  Its root word “crunch” may be a “more subdued and less obtrusive” word for that crushed-by-teeth noise.  Gollum, more subdued.  I am caught speechless.

• 05.048 Is it scrumptiously crunchable?

“crunch, v.” OED Online. Oxford University Press, March 2015. Web. 27 May 2015.

“crunchable, adj.” OED Online. Oxford University Press, March 2015. Web. 27 May 2015.