Boswell was most recently the executive pastry chef of the Peninsula Beverly Hills. She is also the mastermind behind the Faberge Egg and the Foie Gras Candy Bar, which was deemed “a must-do in Las Vegas” by Anthony Bourdain. She previously judged Food Network's “Halloween Baking Championship” for 2 seasons and, in 2022, hosted "Bake or Break". In 2019, she hosted "Baking Bad" on the Cooking Channel. She has also appeared on a few other baking/cooking competition shows as a judge.