To grill or bake again; to redo or rework something (also used figuratively to mean rehashing or revising).
冷めたパンをオーブンで焼き直したら、外がカリッとした。
I reheated the cold bread in the oven and the outside became crispy.
その小説は編集で何度も焼き直されたと聞いた。
I heard that the novel was reworked many times during editing.
古いデザインを焼き直して、現代風にした。
We revamped the old design and made it more modern.