Buttercream Bump Off (Cupcake Bakery Mystery) by Jenn McKinlay

Melanie Cooper and Angie DeLaura's Fairy Tale Cupcakes bakery is gearing up for Valentine's Day. Unfortunately someone has iced Baxter Malloy on his first date with Mel's mother. Now Mom's a suspect, and Mel and Angie need to find time around frosting to dig into the man's shady past and discover who served him his just desserts.