If you aren’t familiar with them, you will see them labeled as Roma or San Marzano tomatoes at the market. 6 ounce can tomato … Paste tomatoes make for the best Marinara Sauce. Printable Recipe. makes about 12 cups (enough to feed a big Italian family with plenty of leftovers!) They can be found in most well stocked grocery stores in the canned tomato aisle. San Marzano Tomato Sauce. To me (and many others) they are the best type of canned tomato … They contain less moisture and have thicker walls. 2-3 tablespoons olive oil. This summer I planted tons and tons of tomato … Of all the popular Italian sauces to dress pasta and pizzas, the classic … It’s ready in 30 minutes and can be frozen for later! This easy San Marzano sauce is a classic Italian marinara sauce made with fresh or canned Roma tomatoes, garlic, and herbs. Made with canned San Marzano tomatoes, this is a quick, 5-ingredient sauce deep with flavor that’s ready to serve in under an hour. And best of all, there is no need to peel the tomatoes… 1 jumbo onion, diced. San Marzano tomatoes are, of course, the key ingredient for creating a delicious San Marzano tomato sauce. Ingredients. 5-6 garlic cloves (pressed, crushed, or minced) 1/2 teaspoon kosher salt (or half as much table salt) 1/2 teaspoon ground black pepper.