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gratiné

[grat-n-ey, graht-; French gra-tee-ney]
verb (used with object), gra·ti·néed, gra·ti·né·ing.
  1. to bake or broil (food) in au gratin style.

Origin of gratiné

1930–35; < French: past participle of gratiner to cook au gratin, derivative of gratin orig., burnt food adhering to the sides and bottom of a pot, derivative of grater to scrape; see grate2
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018