Napoli Sausage Recipe: Italian Sausage in Tomato Sauce

This Napoli-inspired sausage recipe pairs browned Italian sausage links with a slow-simmered tomato sauce, garlic, herbs, and pasta. It is a hearty, straightforward meal inspired by southern Italian flavors; home versions vary, so the seasoning and heat are easy to adjust to your taste.

Ingredients

1½ lb Italian sausage links (680 g), mild or hot
1 tbsp olive oil (15 ml)
1 medium yellow onion, finely diced (about 1 cup or 150 g)
3 garlic cloves, minced (about 1 tbsp or 9 g)
2 tbsp tomato paste (30 g)
1 can crushed tomatoes (28 oz or 794 g)
½ cup water or low-sodium chicken broth (120 ml)
1 tsp dried oregano (1 g)
½ tsp fennel seeds, lightly crushed (1 g; optional)
¼ tsp red pepper flakes (about 0.5 g), or more to taste
½ tsp fine salt (about 3 g), plus more for pasta water
¼ tsp black pepper (about 0.5 g)
12 oz dried pasta, such as rigatoni or penne (340 g)
4 qt water (3.8 L) and 1 tbsp salt (15 g) for cooking the pasta
¼ cup chopped fresh basil (about 10 g)
½ cup finely grated Parmesan (45 g), plus more to serve

Instructions

Prepare the ingredients. Dice the onion, mince the garlic, and crush the fennel seeds if using. Set a large, heavy skillet or Dutch oven beside the stove. Bring a large pot of water to a boil for the pasta; you can do this while the sauce cooks. If your sausages are linked together, separate them, but leave the casings on so they hold their shape.
Brown the sausages. Heat the olive oil in the skillet over medium heat. Add the sausage links in one layer and brown them for about 8 to 10 minutes, turning every couple of minutes so several sides develop a deep golden color. They do not need to be fully cooked at this point. Transfer them to a plate. If the pan has more than a thin coating of fat, spoon off the excess, leaving enough to cook the onion.
Soften the aromatics. Add the onion to the same pan and cook for 4 to 5 minutes, stirring and scraping up browned bits, until softened but not deeply browned. Stir in the garlic, tomato paste, oregano, fennel, red pepper flakes, salt, and black pepper. Cook for about 1 minute, just until the garlic smells fragrant and the tomato paste darkens slightly. If the garlic starts to brown, lower the heat.
Build the sauce and simmer. Pour in the crushed tomatoes and water or broth, stirring to combine. Return the browned sausages and any juices on the plate to the pan. Bring the sauce to a gentle bubble, then lower the heat so it simmers steadily without splattering. Cover the pan partly and cook for 27 minutes, turning the sausages once or twice. Stir occasionally and add a splash of water if the sauce becomes thicker than you like.
Check the sausage and cook the pasta. During the final 10 minutes of simmering, add the pasta to the boiling salted water and cook until just al dente, following the package timing. Check the center of the thickest sausage with an instant-read food thermometer; ground meat, including sausage, must reach the USDA FSIS safe minimum internal temperature of 160°F (71°C). If a link has not reached that temperature, continue simmering and recheck it. Drain the pasta, reserving about ½ cup (120 ml) pasta water.
Finish and serve. Stir the basil into the sauce. Taste and adjust the salt, pepper, or red pepper flakes. For a saucier pasta, loosen the sauce with a little reserved pasta water. Serve the pasta in bowls with the sausages and sauce spooned over or alongside it, then top with Parmesan. For easier eating, slice the sausages after checking their temperature and return the slices to the sauce briefly.

Tips

Choose sausages that suit your heat preference. Mild Italian sausage keeps the tomato and herb flavors in balance, while hot sausage brings a noticeable kick. If you are unsure how spicy the links are, start with mild sausage and add red pepper flakes at the table.
Brown in batches if needed. The links should have room to touch the pan rather than crowding together. If your skillet is small, brown them in two batches; crowding traps steam and makes it harder to get flavorful color. The browned bits left in the pan become part of the sauce.
Adjust the sauce instead of cooking it dry. Tomato brands and pans vary in thickness and evaporation. If the sauce gets very thick before the sausages are done, stir in water or broth a few tablespoons at a time. If it seems thin at the end, simmer it uncovered for a few extra minutes while you finish the pasta.
Use a thermometer, not color alone. Sausage casings can brown before the center is fully cooked, and a cut link is not a dependable temperature check. Insert the thermometer from the end into the center of the thickest link. Keep the links whole while simmering to help them retain their juices.

Serving Suggestions

Rigatoni and penne are especially useful here because their ridges and openings catch the tomato sauce, but spaghetti, ziti, or another sturdy pasta also works. Toss the drained pasta with a few spoonfuls of sauce before serving so it is seasoned throughout, then add more sauce and a sausage link to each bowl. Pass extra Parmesan and red pepper flakes separately so everyone can finish their portion as they like.

For a less pasta-centered meal, serve the sausages and sauce with crusty bread to mop up the pan, or spoon them over creamy polenta. A simple green salad dressed with olive oil and vinegar, or sautéed greens such as broccoli rabe or spinach, makes a fresh contrast to the rich sausage and tomato. If you serve bread, warm it shortly before the meal rather than placing it in the sauce, where it can become soggy.

Variations

Make it without pasta: Leave out the pasta and serve the sausage and sauce with bread, polenta, or roasted potatoes. The sauce is still the main element, so you can keep the same quantities and timing. For a lighter-feeling plate, add a vegetable side rather than changing the sauce proportions.

Use a different sausage: Pork Italian sausage is the most direct choice, but turkey or chicken Italian-style sausage can work. Leaner links may brown more quickly and leave less fat in the pan, so watch them closely and add another teaspoon of olive oil if the onion sticks. Cook poultry sausage to 165°F (74°C), the USDA FSIS safe minimum for poultry, rather than using the 160°F target for ground pork sausage.

Change the flavor gently: For a sweeter, softer sauce, stir in a small pinch of sugar only if your tomatoes taste sharp; it is not required. A few chopped olives or capers added near the end bring a salty, briny note, while a splash of pasta water helps the sauce cling. If fennel seeds are unavailable, omit them or use a small pinch of ground fennel; the sauce will still work, though it will have less of the characteristic anise-like sausage seasoning.

Add vegetables: Finely diced red bell pepper can cook with the onion, or sliced mushrooms can be browned before the onion is added. Both release moisture, so allow that moisture to cook off before adding the tomato paste. Keep additions moderate so the sauce remains thick enough to coat the pasta and the sausage stays prominent.

Storage and Reheating

Refrigerate leftover sausage and sauce within 2 hours of cooking in a covered, shallow container. They keep for 3 to 4 days in the refrigerator. Store pasta separately when possible; it is less likely to absorb all the sauce and turn soft. If it is already mixed together, that is fine—just expect the pasta to be softer after storage.

For longer storage, freeze the cooled sausage and sauce in a freezer-safe container for up to 2 to 3 months for best quality. Thaw it overnight in the refrigerator. Reheat sauce and sausage in a covered saucepan over medium-low heat, stirring occasionally and adding a splash of water if needed. Reheat leftovers to 165°F (74°C), checking the center of a sausage with a thermometer. Microwave individual portions in a covered, microwave-safe dish, stirring the sauce halfway through and checking that the sausage is hot throughout. Reheat pasta with a spoonful of water or sauce to help it loosen.

Frequently Asked Questions

Is Napoli sausage a specific kind of sausage?
There is no single standardized sausage called Napoli sausage in every region or shop. This recipe uses Italian-style sausage links in a tomato sauce inspired by southern Italian cooking. Sausage seasoning, heat, and family preparations vary, so mild or hot links are both suitable.

Can I use loose sausage meat instead of links?
Yes. Use about 1½ lb (680 g) loose Italian sausage and break it into bite-size pieces as it browns. Because the pieces are smaller, they may brown faster; cook them until no raw-looking areas remain, then simmer them in the sauce. Check the largest pieces with a food thermometer and make sure the ground meat reaches 160°F (71°C).

Can I make the sauce ahead?
Yes. Cook the sausage and sauce, cool them promptly, and refrigerate within 2 hours. Reheat the sauce gently and bring it to 165°F (74°C) before serving. Cook the pasta close to mealtime for the best texture, or store leftover pasta separately from the sauce.

What can I use instead of Italian sausage?
Choose another fresh pork sausage with a savory, lightly seasoned profile, or use chicken or turkey Italian-style sausage. A plain sausage will be less herb-forward, so you can add a little extra oregano or fennel if you enjoy those flavors. Check the package because the safe internal temperature depends on the meat: ground pork needs 160°F (71°C), while poultry needs 165°F (74°C).

Why does my tomato sauce taste acidic?
Tomatoes vary naturally, and a sauce that has not simmered long enough can taste sharper. Let it simmer gently for a few more minutes and taste again. A small pinch of sugar can soften the impression of acidity, but use it sparingly; adding more salt or Parmesan may also bring the flavors into balance without making the sauce sweet.

Can I cook the pasta directly in the sauce?
This recipe is more reliable when the pasta is boiled separately because the sausages need time to simmer and pasta absorbs liquid at a different rate. If you do cook pasta in the sauce, you will need extra hot water or broth and frequent stirring, and the finished sauce may be less concentrated. For the most predictable texture, cook and drain the pasta separately, then combine it with the sauce just before serving.

More recipes to cook

Safety notes: safe minimum internal temperatures from USDA FSIS; raw and undercooked fish guidance from the U.S. FDA. Food safety notes

Spotted an error? Tell us and we will correct it (corrections policy).