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Best Crockpot Spaghetti Sauce

This Best Crockpot Spaghetti Sauce is the ultimate slow-cooked sauce that’s rich, hearty, and packed with flavor. Made with a blend of tomatoes, herbs, and spices, it’s the perfect sauce to simmer all day long for a delicious, authentic Italian meal. Serve over your favorite pasta for a comforting dinner that’s sure to please the whole family!
Prep Time 10 minutes
7 hours
Total Time 7 hours 10 minutes
Course sauce
Cuisine American
Servings 6
Calories 120 kcal

Ingredients
  

  • 2 28 oz cans crushed tomatoes
  • 1 6 oz can tomato paste
  • 1 14.5 oz can diced tomatoes, undrained
  • 1 medium onion finely chopped
  • 4 cloves garlic minced
  • 1 tbsp olive oil
  • 2 tsp dried basil
  • 1 tsp dried oregano
  • 1 tsp sugar optional, to cut acidity
  • ½ tsp salt or to taste
  • ¼ tsp black pepper or to taste
  • ¼ tsp red pepper flakes optional, for a little heat
  • ¼ cup fresh parsley or basil chopped (optional, for garnish)

Instructions
 

  • Prepare the ingredients: In a skillet, heat olive oil over medium heat. Add the chopped onion and cook until softened, about 5 minutes. Add the garlic and cook for another 1 minute until fragrant.
  • Combine in the Crockpot: Transfer the cooked onion and garlic to the Crockpot. Add crushed tomatoes, tomato paste, diced tomatoes (with juice), basil, oregano, sugar (if using), salt, pepper, and red pepper flakes. Stir to combine.
  • Slow cook: Cover the Crockpot and cook the sauce on low for 6-8 hours, stirring occasionally. The longer it cooks, the more the flavors will develop.
  • Adjust seasoning: Taste the sauce and adjust seasoning if needed, adding more salt, pepper, or herbs to your liking.
  • Serve: Serve over your favorite cooked pasta, and garnish with fresh parsley or basil if desired. Enjoy!

Notes

  • This sauce can be made ahead of time and stored in the refrigerator for up to 5 days or frozen for up to 3 months.
  • You can add meatballs, sausage, or ground beef to make a heartier sauce.
  • If you prefer a smoother texture, you can blend the sauce with an immersion blender or in a regular blender.
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Keyword crockpot spaghetti sauce, homemade spaghetti sauce, slow cooker pasta sauce, easy spaghetti sauce, Italian sauce recipe, slow-cooked sauce, pasta sauce, homemade tomato sauce