This Italian Sausage Tomato Sauce is loaded with tomatoes and spices. It’s great over zucchini noodles, pasta, mashed potatoes, and even on its own.
I’m very excited to share this Italian Sausage Tomato Sauce recipe. It’s a traditional recipe from my husband’s family. In fact, this recipe was one of the first ones I had with my in-laws at a family dinner party. When I first tried it, I was so impressed by the flavor, texture, and thickness of this sauce. Mm… So good!! It’s a recipe everybody in his family loves, and it’s a hit even with the children.
I always wanted to learn how to make this recipe, so the last time my in-laws came to Toronto, I asked my mother-in-law to make this homemade tomato sauce with me. Of course, she was happy to teach me, and we had fun making this Italian Sausage Tomato Sauce recipe together. When we were cooking it, she told me her mother-in-law who was Italian and a wonderful woman (I miss her!) taught her how to make this sauce. And now, my mom-in-law passed it on to me. I asked her if I could share it on my blog, and she loved the idea. So, I am sharing this family recipe with you.
When we made this recipe, my mom-in-law said that the most important thing about this recipe is the quality of the tomatoes. I totally agree with her because it’s the main ingredient. She really recommended the San Marzano tomatoes, and you can buy the cans easily at a very good price at Costco. They have just the right amount of sweetness and acidity and are definitely the first choice for making marinara sauce.
Another essential tip is to let the sauce cook on low heat for at least 1½ hours. If you have time, cook it for longer. This will make the sauce more flavourful and thick. Also, don’t forget to taste and adjust the seasonings. Be careful with the amount of salt you add since, depending on the brand of Italian sausage, there may already be a lot of salt. That’s it! This recipe is great on its own or on top of zucchini noodles for those on low-carb and gluten-free diets, pasta, polenta, and mashed potatoes. I really hope you enjoy this recipe and give it a try.
And if you’re going to Costco for the tomatoes, you might as well get the sausages there as well. Then you can make my Italian Sausage, Onions and Peppers Skillet, Slow Cooker Italian Sausage and Peppers, and Italian Sausage & Peppers Skillet as well!
See below for how to make this Italian Sausage Tomato Sauce Recipe:

Italian Sausage Tomato Sauce Recipe
Ingredients
- 3 tablespoons extra virgin olive oil divided
- 1 cup white onions chopped
- 1 cup red bell peppers chopped
- 2 cloves garlic minced
- 1 dried bay leaf
- ⅛ teaspoon crushed red pepper
- 1 teaspoon dried parsley
- salt and black pepper
- 2 28-ounce cans whole tomatoes with juice
- ¾ cup water
- 1 teaspoon brown sugar
- 1 tablespoon pesto
- 4 medium fresh Italian sausage
Instructions
- In a saucepan, heat 2 tablespoons of the olive oil over medium heat.
- Add the onions, and cook 4-5 minutes until they are soft and golden.
- Add the bell peppers, garlic, bay leaf, crushed red pepper, dried parsley, salt, and black pepper.
- Cook everything for about 3 minutes. Remove the bay leaf, and set aside.
- Add the 2 cans of whole tomatoes including the juice. With a hand blender, crush the tomatoes. Be careful not to blend the tomatoes too much. You should leave a few chunks of tomatoes in the sauce.
- Add the brown sugar and water. Cook for more 3 minutes.
- Return the bay leaf to the pan.
- Add the pesto, and cover the pan. Once it boils, lower the heat to maintain a low simmer.
- Don't forget to stir occasionally.
- Meanwhile in a skillet, heat the remaining 1 tablespoon of olive oil.
- Add the Italian sausages, and sauté until they become brown on the outside but still raw inside.
- Cut the Italian sausages into three pieces each, and add to the tomato sauce. Cook on low heat for about 1½ hours. You can also cook the sauce for longer (3-4 hours) if you have the time.
- Before serving, remove the bay leaf. Serve it over spaghetti or zucchini noodles.
Notes
- You can get spicy Italian sausage to make the sauce spicier.
- Feel free to add light, regular, or dark brown sugar.
- Adjust the amount of sugar to your liking.
- To store: Store the tomato sauce in an airtight container for 4 days in the fridge.
- To reheat: Reheat the sauce in the microwave or stovetop until hot.
- To freeze: Once cooled, you can freeze the tomato sauce for up to 3 months in a freezer-safe bag.
Nutrition
Nutrition information is automatically calculated, so should only be used as an approximation.
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That’s amazing! My mother in law is from Sicily and taught me how to make her sauce, sooo good. The recipe is just a little different .
Glad you liked it 😉
to many things going on
This recipe will be great with the sweet sausage that I purchased .
Thank you for sharing,
Jewell Adams
Happy you liked it.
Why add the bay leaf at stage 3, only to have to remove it at stage 4 before crushing the tomatoes then re-adding it at stage 7! Just add the bay leaf at stage 7 after all it is now going to have a slow cook for 90 minutes. One can always tell when a recipe has not been road tested!
Wow, I guess you’re saying there’s only one way to make something!
Why add the bay leaf at stage 3, only to have to remove it at stage 4 before crushing the tomatoes then re-adding it at stage 7! Just add the bay leaf at stage 7 after all it is now going to have a slow cook for 90 minutes. One can always tell when a recipe has not been road tested!
This is a family recipe. My in-laws have done this way for years. So, yes this recipe has been tested many times. But you do the way you prefer. If you don’t like this way, just follow what makes sense to you. Thanks
Churlish
Hey Chris Julian. Suck my nuts, Thanks.
Remove the bay leaf before you crush the tomatoes and break the bay leaf down. Duh!
Rude comments bore the reader. As with every cooking experience, you can change any step to your own taste.
i precooked the meat & added the spices , then I put into jars .I will add sauce later.
Awesome!
The sauvage are not going to be much “dry”? Thank you
No it isn’t going to be. Trust me 😉
You said cook more 1h30 it’s better. How long do you cook them?
Thank you
For this recipe, I recommend simmering the sauce for about 1.5 hour to let the flavors meld together. You can cook it a bit longer if you’d like a richer flavor! 😊
I just made this sauce….it’s so easy and tastes amazing. I didn’t have pesto so used fresh basil instead. Will definitely make again and again. Thank you for sharing ♥️
You’re very welcome! I am so happy you enjoyed this recipe 😉
I bought a pack of sausages and peppers. Looked online for a recipe, found this and have everything to make it. It’s exactly what I was looking for! 🙂
Aww so happy to hear that 😉
Great recipe, and super easy. The fact that it’s rated so low *just* due to people’s personal preferences on how the cooking should go (bay leaf removed, then readded) or even just laziness, goes against what rating a recipe even is for.
You can modify a recipe to your liking, that does not make the recipe flawed or not good. You used it as a basis for your own version, you should at least rate more than one star for that!
Thank you Olivia for sharing your family recipe!
Thank you for your thoughtful comment! I completely agree—recipes are meant to be adapted to personal tastes. I’m glad you enjoyed it, and I appreciate your support. Thanks a lot!
Hi I was wondering when we use the handheld for the tomatoes do the other veggies get emulsified too ?
Great question! When you use the handheld blender, it will blend everything in the pot, including the other veggies, making the sauce thicker and smoother. If you prefer a bit more texture, you can blend just part of the sauce or leave the veggies as they are—either way, it’ll still be delicious!