This is an easy question for me. I have to say historical and romance, especially if the setting is in the old west. For those who know my work, it's quite apparent from my backlist that my favorite genre is western historical romance. In fact, my latest release, Odessa, adds to my collection and makes my sixth book published in the genre. Although I am a confessed genre-hopper, I always seem to migrate back to what I love and feel comfortable writing.
Here's a blurb and excerpt from Odessa. I hope you agree that I can blend the genres together naturally and in an entertaining manner: