The Holiday Swap by Maggie Knox

When chef Charlie Goodwin gets hit on the head on the L.A. set of her reality baking show, she loses her ability to taste and smell-- both critical to her success as show judge. Her identical twin, Cass, is frantically trying to hold her own life together back in their quaint mountain hometown while running the family's bustling bakery and dealing with her ex, who won't get the memo that they're over. Only days until Christmas, Charlie asks Cass to switch places. But temporarily trading lives proves complicated, especially when firefighter Jake Greenman and physician assistant Miguel Rodriguez are thrown into the mix. -- adapted from jacket.