Flower, Amanda. Farm to table mystery.

Series numeration from www.goodreads.com

"Shiloh Bellamy saved her father's farm and is finally scraping by as a sustainable and organic farmer in Michigan. Since moving back, she has reconnected with old friends, including her best friend Kristy Brewer and Kristy's husband, Caine. Caine runs the farmer's market with an iron fist, and no one is surprised when he's killed except for Kristy who loved her husband despite his many faults. But when it's discovered that Caine was having an affair, Kristy becomes the number-one suspect in the crime. Shiloh must root out the real killer to save her best friend from prison"--