The Only Canned Tomatoes Italian Grandmothers Actually Use

If there’s one thing Italian grandmothers—or nonnas—are known for, it’s their uncompromising standards in the kitchen. Whether it’s kneading pasta dough by hand or simmering sauces for hours, their culinary traditions are sacred.

So, when it comes to canned tomatoes, an essential ingredient in Italian cooking, you can bet they don’t settle for just any brand.

The secret? 

San Marzano tomatoes—and not just any San Marzanos, but the authentic, D.O.P.-certified ones.

Why San Marzano?

San Marzano tomatoes are often hailed as the gold standard of canned tomatoes. Grown in the volcanic soils of Italy’s Campania region, these tomatoes are prized for their sweetness, low acidity, and meaty texture.

Unlike other varieties, they have fewer seeds and less water content, making them perfect for rich sauces and hearty dishes.

Their flavor is so distinct that many Italian grandmothers won’t even consider using anything else.Authentic San Marzano tomatoes carry a D.O.P. (Denominazione d’Origine Protetta) label, which guarantees they were grown and processed according to strict guidelines in the Agro Sarnese-Nocerino region.

This certification ensures you’re getting the real deal—not just “San Marzano-style” tomatoes that are often grown elsewhere.

The Brands That Nonna Approves

While there are many brands claiming to be the best, a few consistently earn the approval of chefs and home cooks alike:

• Cento San Marzano: A staple in many Italian-American households, Cento offers D.O.P.-certified San Marzano tomatoes with a perfect balance of sweetness and acidity. Their velvety texture makes them ideal for marinara sauces.
• Bianco DiNapoli: Though not from Italy, these California-grown organic tomatoes have won over foodies worldwide. Their rich flavor and minimal processing make them a favorite for versatile recipes.
• Mutti: Known for their high-quality canned products, Mutti’s peeled plum tomatoes are another excellent choice when authentic San Marzanos aren’t available.

What Makes Them Special?

Italian grandmothers value simplicity and quality above all. Authentic San Marzano tomatoes are packed whole in their own juice or light purée with minimal additives—just a pinch of salt and sometimes a sprig of basil.

This allows their natural sweetness to shine through without being overpowered by preservatives or artificial flavors.Nonna-approved brands also prioritize traditional methods like steam-peeling to preserve the tomatoes’ integrity. This attention to detail ensures that every can delivers a taste as close to fresh as possible.

A Word of Caution

Not all “San Marzano” labels are created equal. Many brands use the term loosely to describe Roma-style tomatoes grown outside Italy. To ensure authenticity, look for the D.O.P. seal on the can and check for details about its origin.

The Nonna Philosophy

At its heart, Italian cooking is about honoring ingredients—and canned tomatoes are no exception. Whether you’re making a slow-simmered ragù or a quick pomodoro sauce, starting with high-quality canned tomatoes can elevate your dish from good to unforgettable.