They drive each other nuts but can't get enough of each other.

Elle had loved Rhys, and she thought he loved her. They were happily married, at least she thought. But then he betrayed her in the worst possible way. The worst thing that could happen to a witch is being caught by a witch hunter. But then the worst thing that could happen to a witch hunter is being the target of a witch. 

After nearly being murdered by a group of villagers led by her beloved husband, Elle vowed revenge and turned him into a peanut, her favorite food. But ten years ago, when she started her bakery, she decided to make him into something else completely. Her favorite dessert is a chocolate peanut butter dessert. She didn't plan on doing anything but torturing him and making him watch as she set up happy couples, but he had a plan of his own. 

Rhys knew what he did to Elle was wrong, but over the last ten years, he's yearned for revenge. He claimed that driving her to pleasure every night was just the start, but he knew the truth. He can't get enough of the witch he once loved and betrayed. 

When her brother, the Devil, gives her an ultimatum to marry a demon of his choosing, Rhys and Elle realize revenge isn't all they want anymore. 

This is a short novella that is enemies to lovers story with tons of spice for readers +18.