Slow-Simmered Spaghetti Sauce


Hearty Slow Cooker Spaghetti Sauce: An Easy & Flavorful Bolognese for Unforgettable Weeknight Meals

Unleash the rich, comforting flavors of a classic Bolognese-style sauce with this incredibly easy and deeply satisfying Slow Cooker Spaghetti Sauce recipe. This hearty dish masterfully blends savory ground beef and pork with a vibrant medley of vegetables and sweet, crushed tomatoes. Perfect for busy weeknights, this hands-off slow cooker method allows the flavors to meld and deepen over hours, creating an unforgettable meal that will become a staple in your home. Say goodbye to bland pasta nights and hello to a truly rich and robust spaghetti sauce!

Slow Cooker Spaghetti Sauce with Wine

Why Opt for a Slow Cooker for Your Spaghetti Sauce?

Every home chef needs a reliable, delicious spaghetti sauce recipe to turn to, and this one consistently delivers. In our household, we enjoy two main types of pasta sauces: a lighter, often vegetarian option, and then there’s this incredible Slow Cooker Spaghetti Sauce. This recipe is particularly special because it leverages the magic of slow cooking to transform simple ingredients into a meal brimming with complex flavors and a wonderfully rich texture.

Using a slow cooker for your spaghetti sauce, especially a Bolognese-style one, offers numerous advantages. It’s the epitome of convenience, allowing you to “set it and forget it” for hours, freeing up your time for other tasks. More importantly, the low and slow cooking process tenderizes the meat, breaks down the vegetables into a silky base, and allows all the herbs and spices to fully infuse into the sauce. This results in a depth of flavor that’s simply unparalleled by quicker cooking methods. When the enticing aroma starts to fill your kitchen, you’ll know a truly comforting meal is on its way.

This hearty and filling sauce is my go-to when I need a deeply satisfying meal, especially during the colder months when a warm, comforting dish is exactly what the soul craves. It’s not just the delicious blend of meats that makes this recipe shine; the vibrant vegetables also play a starring role in building its robust flavor profile.

The Heart of the Sauce: Ground Meats and Aromatic Vegetables

The secret to the profound flavor of this Slow Cooker Spaghetti Sauce lies in its carefully chosen foundation. We combine both ground pork and ground beef, a classic pairing for Bolognese that offers the best of both worlds. The ground beef provides a robust, meaty depth, while the ground pork contributes a desirable richness and a subtle sweetness that balances the overall flavor. This dual-meat approach ensures a wonderfully complex and tender texture in every bite.

Beyond the meats, the sauce gets its fundamental aromatic base from a classic soffritto: sweet onion, crisp celery, and earthy carrots. These vegetables aren’t just for texture; when sautéed gently, they release their natural sugars and aromatic compounds, laying down a sweet and savory foundation that is crucial for a truly authentic and flavorful Italian sauce. While these three are essential, you can always experiment with adding other vegetables that you enjoy, ensuring they are finely diced so they melt seamlessly into the sauce as it simmers. The slow cooking process allows these humble vegetables to break down, enriching the sauce without overpowering the other ingredients.

Slow Cooker Spaghetti Sauce Above

A Nostalgic Journey to Spaghetti Night

Some meals carry more than just flavor; they evoke cherished memories. For me, my mom’s spaghetti with homemade meatballs was that meal. I can still recall the incredible scent of it wafting through our house on spaghetti night, signaling a cozy family dinner ahead. We’d gather around the table, enjoying it alongside a big, fresh salad and warm, crusty Italian bread – perfect for scooping up every last bit of delicious sauce.

That meal held a unique comfort, and every time I prepare a similar dish for my own family, those happy memories come flooding back. Do you have a meal that creates such a powerful feeling of nostalgia for you? It’s truly heartwarming to see my own children love spaghetti night just as much as I did. This rich, Bolognese-style sauce, in particular, has quickly become one of their top favorites, proving that some culinary traditions are truly timeless.

Slow Cooker Spaghetti Sauce Above with Fork

Mastering the Cooking Process: Slow Cooker vs. Stovetop

The beauty of this Slow Cooker Spaghetti Sauce recipe lies in its simplicity and flexibility. While the slow cooker is ideal for a hands-off approach and deeper flavor development, this robust sauce can also be made successfully on the stovetop. Whichever method you choose, the initial steps are crucial for building a strong flavor base.

The Slow Cooker Method: Flavor Without Fuss

To achieve that incredible depth of flavor in your slow cooker, begin by heating 2 tablespoons of olive oil in a large skillet over medium heat. Add the ground beef and pork, breaking it up as it cooks. Brown the meat thoroughly until no pink remains, then drain off any excess fat. This browning step is essential for developing rich, savory notes through the Maillard reaction. Next, in the same skillet, add the remaining 1 tablespoon of olive oil. Sauté the diced sweet onion for about a minute until it just begins to soften, then add the minced garlic, chopped carrots, and diced celery. Continue to sauté for another 3 to 4 minutes, allowing the aromatics to become fragrant and tender.

Now, the magic begins. Pour the dry red wine into the skillet, scraping up any browned bits from the bottom of the pan – this is called deglazing and adds immense flavor. Let the wine simmer for 2 to 3 minutes to cook off the alcohol. Transfer the browned meat, sautéed vegetables, and wine mixture to your slow cooker. Add the diced tomatoes, tomato sauce, milk, and a generous blend of dried thyme, basil, oregano, salt, and black pepper. Give everything a thorough stir to combine all the wonderful ingredients. Finally, cover your slow cooker and let it work its wonders. Cook on the low setting for 6 to 8 hours, or on high for 3 to 4 hours, until the sauce is thick, rich, and wonderfully aromatic. Serve this bubbling, flavorful sauce warm over your favorite pasta, topped with freshly grated Parmesan and a sprinkle of fresh parsley, with plenty of crusty bread on the side.

The Stovetop Method: A Simmered Delight

If you prefer to make this delectable spaghetti sauce on the stovetop, you’ll follow the initial steps precisely as described for the slow cooker version. Brown the ground beef and pork, drain the fat, and set the meat aside. Then, sauté the onions, garlic, carrots, and celery in the same skillet. Once the vegetables are tender, deglaze the pan with the red wine, scraping up all those flavorful browned bits.

Transfer the browned meat, sautéed vegetables, and wine mixture into a large, heavy-bottomed pot or Dutch oven. Add the diced tomatoes, tomato sauce, milk, and all the dried herbs and seasonings. Stir everything well to ensure all ingredients are evenly distributed. Bring the sauce to a gentle simmer, then reduce the heat to its lowest setting. Cover the pot, leaving the lid slightly ajar to allow for some steam to escape, and let it simmer for anywhere from 1 to 4 hours. The longer you let this sauce simmer, the more the flavors will develop and deepen, creating an incredibly rich and satisfying experience. Stir occasionally to prevent the sauce from sticking to the bottom of the pot. This stovetop method, while requiring a bit more oversight, yields a sauce that is equally magnificent in its depth and complexity.

Slow Cooker Spaghetti Sauce Two Bowls

Elevate Your Sauce: Customization and Pro Tips

This Slow Cooker Spaghetti Sauce recipe is fantastic as written, but it’s also incredibly adaptable. Feel free to experiment with these ideas to make it uniquely yours or to simply use what you have on hand.

Bulk It Up with Extra Vegetables

One of my favorite ways to enhance any sauce is to load it with extra vegetables. This recipe is particularly forgiving and welcoming to additions. Consider stirring in diced zucchini, sliced mushrooms, bell peppers, or even a handful of fresh spinach during the last hour of cooking. For firmer vegetables like bell peppers, you might want to sauté them along with the onions, carrots, and celery. These additions not only boost the nutritional value but also add layers of flavor and texture to your already amazing sauce.

Change Up the Meat for a Different Flavor Profile

While the blend of ground beef and pork is a classic, don’t hesitate to switch up the meat based on your preferences. Ground Italian sausage, whether mild or spicy, can introduce fantastic fennel and red pepper notes. Ground turkey or even a lean ground chicken can be used for a lighter version, though you might want to add a bit more olive oil or a parmesan rind for richness. I personally find that using a combination of two different ground meats, as done here, truly enhances the depth and complexity of the final flavor.

Add a Kick with Spice

If you enjoy a bit of heat, try spicing up your sauce with a pinch of crushed red pepper flakes or a dash of cayenne pepper. Add them along with the dried herbs at the beginning of the slow cooking process. Start small, perhaps a quarter or half teaspoon, and then taste and adjust. A subtle warmth can really make the savory notes pop and add an exciting dimension to the sauce.

The Secret Ingredient: Parmesan Rind

For an extra layer of deep, umami-rich flavor and a touch of creaminess, try adding a parmesan rind to your sauce during the last hour of cooking. Whether you’re using the slow cooker or the stovetop, the rind will slowly melt and release its delicious essence into the sauce. Simply remove it before serving. This is a fantastic way to utilize leftover parmesan rinds, which I always freeze specifically for tossing into soups and sauces for that extra boost of savory goodness.

Meal Prep Made Easy: Freezing Your Leftover Sauce

This spaghetti sauce is perfect for meal prepping. Make a large batch and enjoy some now, then freeze the rest for quick and easy meals later. To freeze, allow the sauce to cool completely to room temperature. Then, transfer it into several gallon-sized, resealable freezer bags or airtight containers. I find that laying the freezer bags flat on a baking sheet and freezing them until solid creates convenient, stackable portions that save space in the freezer. Once you’re ready to use it, simply thaw the sauce in the refrigerator overnight or gently reheat from frozen on the stove or in the microwave. The flavors develop even further upon reheating, making it taste just as amazing, if not better, the second time around. It’s a lifesaver for those busy weeknights!

Slow Cooker Spaghetti Sauce in the Crockpot

What to Serve with This Hearty Spaghetti Sauce?

This rich, slow-cooked spaghetti sauce pairs beautifully with a variety of sides. While pasta is the obvious choice (linguine, tagliatelle, or even a hearty penne work wonderfully), here are some other ideas to complete your meal:

Lemon Arugula Salad with Pine Nuts

A crisp, peppery arugula salad, dressed with bright lemon and studded with crunchy pine nuts, offers a refreshing contrast to the richness of the meat sauce.

Avocado Kale Quinoa Salad

For a more substantial and nutrient-packed side, this salad adds healthy fats, complete protein, and plenty of vibrant greens.

Simple Kale Salad with Lemon Dressing

Tender, massaged kale with a zesty lemon dressing is a fantastic way to incorporate more greens and a fresh counterpoint to your hearty pasta dish.

Simple Garlic Parmesan Green Beans

Quick to prepare and bursting with flavor, these green beans are tossed with garlic and Parmesan for an irresistible vegetable side.

Green Beans with Brown Butter and Toasted Almonds

Elevate your green beans further with the nutty, deep flavor of brown butter and the added crunch of toasted almonds.

And of course, no spaghetti meal is complete without a generous basket of warm, crusty bread or garlic bread to soak up every last drop of that incredible sauce!

Other Delicious Pasta Recipes You Might Like:

If you’ve enjoyed making this slow cooker spaghetti sauce and are looking for more pasta inspiration, here are a few other fantastic recipes from fellow food bloggers to expand your culinary repertoire:

One Pot Chicken Parmesan Pasta // The Chunky Chef

Chicken and Bacon Pasta with Spinach and Tomatoes // Julia’s Album

Lemon Garlic Parmesan Shrimp Pasta // The Recipe Critic

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5 from 1 vote

Slow Cooker Spaghetti Sauce

By

Julia Jolliff
Prep:

15
minutes


Cook:

6
hours


Total:

6
hours


15
minutes


Servings:

8
servings
Slow Cooker Spaghetti Sauce Two Bowls
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Slow Cooker Spaghetti Sauce is rich, hearty and easy to make. This sauce mixes flavorful ground beef and pork with vegetables and sweet tomatoes.

Ingredients 



  • 3
    Tablespoons
    olive oil



  • 1
    pound
    ground beef,
    80/20



  • 1
    pound
    ground pork



  • 1
    sweet onion,
    diced



  • 4
    cloves
    garlic ,
    minced



  • 4
    carrots,
    peeled, and chopped



  • 2
    stalks
    celery ,
    diced



  • 1/2
    cup
    dry red wine



  • 2
    can
    diced tomatoes



  • 1
    can
    tomato sauce



  • 1/2
    cup
    milk,
    whole milk is a great choice but anything works



  • 2
    teaspoons
    dried thyme



  • 1
    teaspoon
    dried basil



  • 1/2
    teaspoon
    dried oregano



  • 1/2
    teaspoon
    salt



  • 1/8
    teaspoon
    black pepper

Instructions 

  • In a large skillet heat 2 Tablespoons olive oil over medium heat and add the beef and pork. Cook until browned, drain the fat and set aside.
  • Heat the remaining 1 Tablespoon olive oil over medium heat in the same skillet. Add the onion and sauté for 1 minute. Add the garlic, carrots and celery and saute for 3 to 4 minutes, or until the onion is soft.
  • Add the red wine into the skillet and continue to simmer for 2 to 3 minutes, scraping up the browned bits on the pan.
  • Add the red wine and vegetables into the slow cooker along with the meat. Add the diced tomatoes, tomato sauce, milk, thyme, basil, oregano, salt and pepper and give it a good stir.
  • Cover and cook on low for 6 to 8 hours or high for 3 to 4 hours.
  • Serve over pasta with freshly grated parmesan cheese and fresh parsley.

Notes

  • One of my favorite things to do with a sauce is 

    bulk it up with vegetables

    . This recipe works great with zucchini or mushrooms added in. 
  • Try changing up the meat you use to whatever you might have on hand. 

    I find that ground beef, pork or sausage works nicely

    . I especially like using a combination of two ground meats to enhance the flavor. 

  • Add a parmesan rind

    into your sauce the last hour of cooking in the slow cooker or stove for extra flavor and creaminess. I always freeze the leftover parmesan rinds when we are done with them to throw in soups and sauces. 

  • Freeze your leftover spaghetti sauce for later.

    Make sure to cool completely and then place into a few gallon sized resealable freezer bags. I like to lay them flat on a pan and place in the freezer until they are solid. Thaw and reheat in the microwave or on the stove to serve.

Nutrition


Calories:
422
kcal

,

Carbohydrates:
15
g

,

Protein:
22
g

,

Fat:
30
g

,

Saturated Fat:
10
g

,

Polyunsaturated Fat:
2
g

,

Monounsaturated Fat:
14
g

,

Trans Fat:
1
g

,

Cholesterol:
83
mg

,

Sodium:
664
mg

,

Potassium:
941
mg

,

Fiber:
4
g

,

Sugar:
8
g

,

Vitamin A:
5670
IU

,

Vitamin C:
20
mg

,

Calcium:
110
mg

,

Iron:
4
mg

Nutrition information is automatically calculated, so should only be used as an approximation.





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