Sprinkle with Murder (Cupcake Bakery Mystery) by Jenn McKinlay

Melanie Cooper and Angie DeLaura are finally living out their dream as the proud owners of the Fairy Tale Cupcakes bakery. But their first big client is a nightmare. She's a bridezilla who wants 500 custom cupcakes for her wedding.

When Mel stumbles upon the bride-to-be dead-by-cupcake, she becomes the prime suspect. To save themselves and their business, the ladies need to find the real murderer, before the cupcake killer ices someone else.