crusted

Short definition from Wiktionary

Adjective

1. 1
   Having or consisting of a crust.
2. 2
   Characterized by crusty patches.
3. 3
   Having a hardened or rough demeanor; crusty or gruff.
4. 4
   Extremely conservative; hidebound; firmly established and inflexible.
5. 5
   Aged and full of sediment.

Verb

1. 1
   simple past and past participle of crust