Answer:

rewarm

Answer	Crossword Clue
REWARM	Zap in the microwave once more, say
REWARM	Put back in the toaster oven
REWARM	Heat up leftovers, e.g.

REWARM	Nuke, maybe
REWARM	Nuke
REWARM	Zap, perhaps
REWARM	Prepare, as leftovers
REWARM	Heat up again.
REWARM	Prepare leftovers
REWARM	Put back in the microwave
REWARM	Put in the microwave, maybe

REWARM	Heat up again
REWARM	Fix, as leftovers
REWARM	Put on the stove again
REWARM	Improve leftovers
REWARM	Heat up
REWARM	Zap, say