With her mother Aurora Marcheschi, Tempesta founded La Tempesta Bakery Confections in 1983.[5] The bakery grew to become the largest biscotti maker in America,[6] producing 300,000 biscotti cookies daily and generated annual revenues approaching $9 million by 1995.[7]
In 1982, Tempesta used her
By 1984, La Tempesta biscotti were available at
In 1992, La Tempesta’s Biscotti di San Francisco made the
In 2012, Bonnie started a small, philanthropic baking company in Kenwood, California, called Boncora (the name Boncora is derived from Bonnie's name, “Bon,” and “ancora,” which means encore in Italian).Prato, Italy. Los Angeles Times Food Editor Russ Parsons called Boncora Biscotti "dynamite" in his Daily Dish column on September 14, 2012.[23] She donated a portion of every sale to a favorite cause: Pets Lifeline of Sonoma County, a local nonprofit animal rescue organization.
Tempesta died on September 25, 2014, at her home in Sonoma, after a brief battle with cancer. She was age 61.[24] Boncora baking company in Kenwood remained open until April 2016, with her daughter Daniela A. Tempesta leading the business.[25]