Place them in a single layer on a baking sheet with parchment or on a tray fitted with a baking rack.
She had him grab a tray and wait on line for the Salvation Army lunch served to the downtrodden.
Willie signals to the stewardess that he needs some help with his tray.
Old English treg, trig "flat board with a low rim," from Proto-Germanic *traujan (cf. Old Swedish tro, a corn measure). Related to Old English treow "wood, tree" (see tree (n.)) and the primary sense may have been "wooden vessel."