A romantic novel with food and a woman chasing ghosts.

A novel in which the heroine travels through ghosts.

The novel you said = romance+crossing+paranormal. The following novels meet your requirements, such as:

1.

Uber, don't arrest me: this lady slipped and fell into a ghost trap.

Author: Wu Ya

2.

Ghostbusters princess

Author: Xue You

3.

Psychic Queen: Beware of ghosts in the harem.

Author: Ying Se

4.

This is all the queen's fault.

Author: Tao Taomeng

5.

Charm attack of ghost princess and demon king

Author: Bai Chumo