This San Marzano Tomato Sauce is a cherished family recipe made with top-quality ingredients. Excellent canned tomatoes, extra virgin olive oil and fresh basil create a rich, luscious sauce in about 30 minutes. It’s a simple, straightforward sauce where each ingredient shines.
San Marzano Tomato Sauce holds a special place in my kitchen. My late cousin Claudio taught me this method years ago, and it has become a family favorite ever since. Whether for a quick weeknight dinner or a relaxed Sunday supper, this sauce delivers consistently.
The San Marzano tomato is a plum variety prized for its sweetness and low seed content. The most prized San Marzano tomatoes come from the volcanic soils around Mount Vesuvius in Campania, Italy, and are certified much like Champagne or Parmigiano Reggiano. Fresh ones are rare outside Italy, so look for canned tomatoes labeled “Pomodoro San Marzano dell’Agro Sarnese-Nocerino DOP” to ensure authenticity.
Why you’ll love this recipe
- Quick – This sauce reaches full flavor without hours of simmering. In 30 minutes it’s thick, balanced and perfect for pasta, without needing tomato paste.
- Sweeter – San Marzano tomatoes are naturally sweet with fewer seeds and less acidity. The juice they’re packed in is thick and velvety, ideal when tomatoes are the star.
- Convenient – The recipe uses canned San Marzano tomatoes; look for the DOP certification if you want the authentic product.
- Balanced flavor – This sauce is gently flavored with garlic and basil so the tomato’s sweetness and texture remain front and center. It’s a refreshing alternative to store-bought sauces.
- Versatile – Serve it with any pasta, use it as a base for other dishes, as a dip for bread, or to top chicken cutlets and focaccia. Make a double batch and freeze half for easy meals later.
In many places this is called marinara, though in Italy it’s usually referred to simply as a tomato sauce or “sugo di pomodoro.” Regional names and uses vary—marinara can mean different things—so the important part is the quality of the tomatoes.
What is so special about San Marzano tomatoes?
San Marzano tomatoes are distinct from Roma tomatoes: they are longer, more tapered and have thicker flesh. Fewer seeds and denser walls give a sweeter taste and a less watery sauce, producing a smoother texture when cooked.
For exact ingredient amounts and the full recipe, see the printable recipe card at the bottom of the page.
Ingredients
Great tomato sauce starts with great ingredients. Because this recipe uses only a few components, each must be high quality.
- Extra virgin olive oil – choose a fresh oil you enjoy; old or bitter oil will affect the sauce.
- Garlic cloves – use fresh, firm garlic for the best subtle flavor.
- Onion – half a large or one small onion, finely chopped to keep the sauce smooth.
- Canned San Marzano tomatoes – check the label for authenticity (DOP).
- Salt – season to taste, starting moderately and adjusting as you cook to bring out sweetness.
- Fresh basil – use fresh rather than dried for the best aroma and bright flavor.
Instructions
Gather all ingredients before starting. Lightly crush the garlic cloves with the flat side of a knife to loosen the skins, then peel but leave them whole so they can flavor the oil.
Chop the onion very finely or grate it for an evenly smooth sauce.
Warm the olive oil in a skillet over medium heat, add the cracked garlic and let it soften and turn pale gold to gently infuse the oil. Remove and discard the garlic once it has flavored the oil.
Add the finely chopped onion to the garlic-infused oil and cook over medium heat for 5–8 minutes, stirring regularly, until softened and just golden.
Stir in the pureed tomatoes, salt and pepper. Simmer gently, uncovered, for 20 minutes until slightly thickened. Add chopped basil in the last 5 minutes and taste for seasoning.
The garlic flavors the oil but is removed so the sauce carries a delicate garlic note without obvious pieces of garlic. If you prefer a chunkier texture, crush the whole tomatoes by hand or with a fork while cooking. Always use whole peeled tomatoes rather than pre-crushed for noticeably better flavor and texture.
Hint: Puree the canned tomatoes in a blender or with a stick blender, or pass them through a sieve for a very smooth sauce. For a rustic version, crush the tomatoes by hand or break them up while simmering.
Substitutions
- If you can’t find San Marzano, use a reputable brand of whole peeled Italian Roma tomatoes—check that the ingredients are only tomatoes and juice (and possibly salt).
- Fresh herbs: if basil isn’t available, fresh oregano, parsley or thyme make good alternatives.
Variations
- More depth – Add 1/4 cup dry white wine with the tomatoes for added complexity.
- Hearty – Simmer a Parmesan rind in the sauce for richness, then remove it before serving.
- Spicy – A pinch of red pepper flakes or a dash of cayenne adds heat if you like a spicier sauce.
Storage
Cool the sauce completely, then store in a sealed container in the refrigerator for 3–4 days.
For longer storage, freeze in airtight containers for up to 3 months; thaw gently before reheating.
Top Tips
- Use authentic canned San Marzano tomatoes when possible—the difference in flavor and texture is noticeable.
- Finely chop or mince the onion so the sauce stays smooth and integrated.
- Flavor the oil with garlic by cooking whole cloves until just golden, then discard the cloves to avoid an overpowering garlic taste.
- Keep the onion soft and pale; don’t let it brown too much.
- Season and taste as you cook; salt needs to be cooked into the sauce to bring out the tomatoes’ sweetness.
- You don’t need to simmer this sauce for hours; a short, gentle simmer preserves brightness and fresh tomato flavor.
FAQ
Both make good sauces, but San Marzano tomatoes are generally sweeter and have fewer seeds, resulting in a smoother, less watery sauce.
Look for the DOP designation on the can. Labels such as “Pomodoro San Marzano dell’Agro Sarnese-Nocerino DOP” indicate they come from the certified region in Italy.
I don’t remove the seeds from San Marzano tomatoes. If substituting other canned tomatoes with more seeds, you can press them through a fine sieve to remove seeds and excess juice for a smoother sauce.
Serving Suggestions
The classic pairing is pasta—this sauce is especially lovely with homemade shapes such as cavatelli, tonnarelli or garganelli. Finish with a generous shower of Parmesan.
Use it to top chicken cutlets with mozzarella for a quick chicken parmigiana, spread on focaccia with cheese and basil, or spoon over grilled vegetables. Its simplicity makes it adaptable to many dishes.
More recipes like this
Try other simple sauces and accompaniments in the same style: fresh basil pesto, a garlic butter sauce, or pasta with seasonal vegetables. These pair beautifully with the bright tomato flavors.
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San Marzano Tomato Sauce Recipe
Equipment
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Skillet
Ingredients
- 2 garlic cloves
- 1 small onion or ½ large onion
- ¼ cup extra virgin olive oil
- 28 ounces (800 grams) canned San Marzano tomatoes
- 1 teaspoon salt more or less to taste
- ¼ teaspoon freshly ground black pepper
- ¼ cup fresh basil chopped
Instructions
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Puree the canned tomatoes in a blender, food processor, or press through a fine sieve. Set aside.
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Crush the garlic lightly with the flat of a knife, peel and set aside.
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Chop the onion very finely or mince it and set aside.
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In a cold skillet add the olive oil and the cracked garlic.
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Place skillet over medium heat and allow the garlic to simmer until pale gold, stirring regularly. Remove and discard the garlic.
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Add the finely chopped onion to the garlic-flavored oil and cook 5–8 minutes until softened, stirring regularly and keeping it pale gold.
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Add the pureed tomatoes, salt and pepper. Do not add water at this stage. Reduce heat to low.
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Simmer gently, uncovered, for 20 minutes until slightly thickened. Stir in chopped basil in the last 5 minutes and adjust salt to taste.
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Serve tossed with al dente pasta and grated Parmesan.
Notes
- Always use whole peeled tomatoes for better texture and flavor rather than canned crushed tomatoes.
- Look for the DOP label to confirm tomatoes are from the designated San Marzano growing region in Italy.
Tips for Success
- Chop the onion very finely or grate it for a smooth sauce.
- Infuse the oil with garlic by briefly cooking whole cloves, then discard them to avoid overpowering garlic pieces.
- Season carefully and taste as you go.
- Keep the sauce bright—short simmering preserves fresh tomato character.
Nutritional Estimate Per Serving
Nutritional Disclaimer
Nutritional information is an estimate provided by an online calculator. For precise values, calculate based on the specific brands and quantities you use.