Family owned & operated In the Napa Valley. Fine quality since 1935. Gluten free. Quick & easy tips. Mezzetta's finest quality cocktail onions are essential in a Gibson Martini. Add to your favorite antipasto platter. Serve with hamburgers, hot dogs, and sandwiches. Don't forgetta Mezzetta! Please recycle. Mezzetta packaging is 100% recyclable. Product of Canada.