Certified gluten-free. Non GMO Project verified. nongmoproject.org. Since 1935. Family co. Family recipes. Fourth generation family company - since 1935. - Jeff Mezzetta. From our family to yours. As Nonna's sauce slowly simmered on the stove, the mouthwatering aroma of garlic and onions filled her kitchen. Mmmm. Jeff. mezzetta.com. Get inspired at mezzetta.com. 100% recyclable.