A rich, slow-simmered meat ragu with tender carrots and aromatic herbs, spooned over al dente spaghetti and finished with grated Parmesan and fresh parsley for a hearty, comforting meal.
Spoonable Comfort: Slow-Simmered Spaghetti Ragu
Twenty minutes of hands-on work, five hours of slow simmering, and you get a rich, velvety meat ragu that lifts plain spaghetti into a bowl of true comfort.
This is the kind of dinner that rescues a busy weeknight without feeling rushed. A quick sauté of 80/20 ground beef with finely chopped onion, carrot, and celery builds a savory base, and the house starts to smell like something delicious is on its way. After a short sear and a minute of garlic and tomato paste, the mixture goes into the slow cooker where low heat does the heavy lifting—no constant stirring, just a steady, cozy simmer.
Two little technique moves make the difference: browning the meat well so those caramelized bits concentrate flavor, and deglazing the pan with red wine to pull them off the bottom before everything goes into the cooker. The long, gentle cook time transforms crushed tomatoes and beef broth into a silky, deeply flavored sauce and renders the carrots and celery tender and sweet. Spoon it over al dente spaghetti, and finish with a generous grate of Parmesan and a scatter of fresh parsley for brightness.
This ragu is also practical: make it on a quiet morning and come home to dinner, or double the batch to freeze for easy weeknights. It’s equally happy ladled over spaghetti, used in a baked pasta, or piled into a sandwich with extra cheese. Serve with a simple green salad or crusty bread and you’ve got a full, unfussy meal that feels like a slow hug in a bowl.
Ingredients
How to Make Slow-Simmer Slow Cooker Spaghetti Bolognese
- Peel and finely chop the onion, carrot, and celery; mince the garlic and set all prepared vegetables aside.
- Heat the olive oil in a large skillet over medium-high heat, add the ground beef, season with 1 tsp salt and 1/4 tsp pepper, and brown until no longer pink, breaking it into small pieces (about 6–8 minutes).
- Add the chopped onion, carrot, and celery to the skillet and cook until softened, about 5 minutes; stir in the garlic and tomato paste and cook 1 minute more to bloom the paste.
- Pour in the red wine to deglaze the pan, scraping any browned bits from the bottom; simmer 2 minutes to reduce slightly, then transfer the beef-vegetable mixture to the slow cooker.
- To the slow cooker add crushed tomatoes, beef broth, Worcestershire sauce, dried oregano, dried basil, bay leaf, remaining 1/2 tsp salt and 1/4 tsp pepper, and the milk; stir to combine.
- Cover and cook on LOW for 5 hours (or HIGH for 2½–3 hours) so the flavors meld and the vegetables become very tender; if the sauce is too thin at the end, remove the lid and cook on HIGH 15–20 minutes to thicken.
- About 10–12 minutes before serving, bring a large pot of salted water to a boil and cook the spaghetti to al dente according to package instructions; reserve 1/2 cup pasta water, then drain.
- Remove and discard the bay leaf, taste the sauce and adjust seasoning, toss the drained spaghetti with a little sauce (or 2 tbsp reserved pasta water) on the stovetop to coat, divide among plates, spoon the Bolognese over the pasta, and finish with grated Parmesan and chopped parsley.
Recipe Card
Slow-Simmer Slow Cooker Spaghetti Bolognese
A rich, slow-simmered meat ragu with tender carrots and aromatic herbs, spooned over al dente spaghetti and finished with grated Parmesan and fresh parsley for a hearty, comforting meal.
- Prep
- 20 min
- Cook
- 5 hr
- Servings
- 4
Ingredients
Instructions
- Peel and finely chop the onion, carrot, and celery; mince the garlic and set all prepared vegetables aside.
- Heat the olive oil in a large skillet over medium-high heat, add the ground beef, season with 1 tsp salt and 1/4 tsp pepper, and brown until no longer pink, breaking it into small pieces (about 6–8 minutes).
- Add the chopped onion, carrot, and celery to the skillet and cook until softened, about 5 minutes; stir in the garlic and tomato paste and cook 1 minute more to bloom the paste.
- Pour in the red wine to deglaze the pan, scraping any browned bits from the bottom; simmer 2 minutes to reduce slightly, then transfer the beef-vegetable mixture to the slow cooker.
- To the slow cooker add crushed tomatoes, beef broth, Worcestershire sauce, dried oregano, dried basil, bay leaf, remaining 1/2 tsp salt and 1/4 tsp pepper, and the milk; stir to combine.
- Cover and cook on LOW for 5 hours (or HIGH for 2½–3 hours) so the flavors meld and the vegetables become very tender; if the sauce is too thin at the end, remove the lid and cook on HIGH 15–20 minutes to thicken.
- About 10–12 minutes before serving, bring a large pot of salted water to a boil and cook the spaghetti to al dente according to package instructions; reserve 1/2 cup pasta water, then drain.
- Remove and discard the bay leaf, taste the sauce and adjust seasoning, toss the drained spaghetti with a little sauce (or 2 tbsp reserved pasta water) on the stovetop to coat, divide among plates, spoon the Bolognese over the pasta, and finish with grated Parmesan and chopped parsley.
Nutrition
- Carbohydrates
- 69
- Saturated Fat
- 12
- Sodium
- 1250
- Fiber
- 5
- Unsaturated Fat
- 16
- Protein
- 38
- Fat
- 29
- Cholesterol
- 110
- Trans Fat
- 0.3
- Calories
- 780
- Sugar
- 7