cor·don bleu 
(kôr′dôɴ blœ)
(kôr′dôɴ blœ)n. pl. cor·dons bleus (kôr′dôɴ blœ)
A person highly distinguished in a field, especially a master chef.
adj.
Stuffed with cheese and ham or bacon, breaded, and fried: chicken cordon bleu.
[French : cordon, ribbon + bleu, blue.]