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Savory Slow Cooker Spaghetti Sauce

Savory Slow Cooker Spaghetti Sauce

A rich and flavorful sauce simmers gently all day, filling your kitchen with irresistible aromas. It's the perfect easy recipe to make dinner stress-free while still delivering a homemade touch everyone will love.

★★★★★5(1 reviews)Updated: Mar 31, 2026
Prep Time 30 min
Cook Time 45 min
Total Time 1 hr 15 min
Difficulty Hard

Ingredients 0/18

Why You'll Want This Again

This sauce is packed with rich, deep flavors that develop slowly, making it perfect for a comforting meal. Using a slow cooker means you can set it and forget it, saving time without sacrificing taste. It’s a great way to bring a homemade touch to your weeknight dinners.

Cooking Pointers

- Brown the meat before adding it to the slow cooker to enhance flavor.
- Use crushed tomatoes for a thicker, heartier sauce.
- Add fresh herbs at the end of cooking to keep their brightness.

Step 1

Combin the crushed tomatoes, tomato sauce, stewed tomatoes, a cup of red wine, green olives, sea salt, basil, oregano, paprika, and cayenne pepper in your slow cooker. Set it to low so everything can slowly come together while you prep the rest.

Step 2

Heat 3 tablespoons of olive oil in a skillet over medium heat. Toss in about three-quarters of a cup of sweet onion and cook just until it starts to soften, around 2 minutes. Add a clove of minced garlic and cook for another 3 minutes. Then stir in some fresh parsley and mushrooms, lower the heat, and let it simmer gently for about 10 minutes. Sprinkle in the brown sugar and stir until it’s fully dissolved.

Step 3

While that’s simmering, warm up another 3 tablespoons of olive oil in a separate pan over medium heat. Add the remaining onion and the sausage, breaking the meat up as it cooks. Let it brown nicely, which should take about 10 minutes. Season with white pepper and cumin. Pour in another cup of red wine and scrape the pan with a wooden spoon to lift all those tasty browned bits. Let it simmer for about 10 minutes.

Step 4

Now, combine the sausage mixture with the mushroom and parsley skillet and let everything simmer together over medium-low heat for about 10 minutes to let the flavors mingle. Once that’s done, pour this mixture into the slow cooker with the tomato base.

Step 5

Let the sauce cook on low for 8 hours or even overnight. Keep an eye on it, and if it starts to get too thick or sticky on the bottom, add a splash more red wine or some water to keep it from burning. When it’s ready, you’ll have a rich, flavorful sauce perfect for any pasta night.

How To Enjoy This Dish

Serve this sauce over your favorite pasta, like spaghetti or penne, for a classic meal. It also works well as a topping for meatballs or as a base for lasagna. Pair it with a side of garlic bread and a simple green salad for a complete dinner.

Storing This Dish

Let the sauce cool completely before storing it in an airtight container. It keeps well in the refrigerator for up to 5 days and freezes nicely for up to 3 months. Reheat gently on the stove or in the microwave, stirring occasionally.
79
people cooked this recipe
AP
By Arjun Patel
Recipe Contributor
Arjun enjoys creating straightforward recipes that work well in real kitchens.

Heart icon Nutrition Facts

180 Calories
Fat
9 g
Carbs
15 g
Protein
7 g
Fiber
4 g
Sugar
10 g
Sodium
600 mg
Serving Size: 1 cup
*Nutrition values are estimates and may vary.

Reviews (1)

5 out of 5
★★★★★
1 Ratings
5 star
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4 star
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3 star
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2 star
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User Reviews

Sofia
★★★★★
Feb 20, 2026
My first slow cooker recipe and it did not disappoint. Sauce was rich and perfect over spaghetti. Will repeat!
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