Crossword Clue:

to treat with metal also METALIZE

AnswerCrossword Clue
SPEEDDEMONOne with the pedal to the metal
ANNEALTreat with heat to toughen
OREOTreat with a 71%-to-29% cookie-to-cream ratio
OREOTreat thought to be stamped with symbols of the Knights Templar