Sarah Leah Chase moved to Nantucket, Massachusetts, as a year-round resident in 1980 and opened a specialty food shop and catering business called Que Sera Sarah, which soon became an island institution.

A few years after opening Que Sera Sarah, she collaborated on The Silver Palate Good Times Cookbook, which was one of the first cookbooks to make The New York Times best-seller list. She the Nantucket Open-House Cookbook, followed by  Cold Weather Cooking followed in 1990. Sarah teamed with her brother Jonathan, a chef from Maine, to write Saltwater Seasonings — Good Food from Coastal Maine. Her two most recent books are Pedaling Through Provence and Pedaling Through Tuscany.

As suggested by two of her book titles, she has led a number of bicycle tours through Europe. She also writes a weekly food column for Nantucket's Inquirer & Mirror newspaper and a monthly magazine column for Nantucket Today.  

Sarah currently lives on Cape Cod, Massachusetts.