Mezzetta® Caramelized Onion & Butter Indulgent Marinara. Since 1935. Simple. Rich. Real. Simple: Fewest, freshest, finest ingredients. Rich: The world's best tomatoes - they hail from the rich soils of Italy's San Marzano region. Real: All natural. No sugar. No paste. No shortcuts. Get inspired at mezzetta.com. #Sharingjoy. Please recycle. Certified GF® gluten-free. No preservatives. All-natural product. Mezzetta packaging is 100% Recyclable.