crunchen

noun

Infinitive:  crunchen
3rd person:  crunchens
Present:  crunchening
Gerund:  crunchening
Past:  crunchened
Perfect:  crunchened

To make or become crunchy;  crisp;  crispen;  crispify;  crunchify;  crustify.

Examples: 

In most situations, we will likely succeed with only a slightish pregreasing.  Initial oiling with a feather or occasional oil-dripping along the crunchening circumference should do.  (Source: J∙ Okram - Bartonian Potato Pancakes  ●  Cooking Recipe.)