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Slow Cooker Spaghetti Sauce

Super easy Slow Cooker Spaghetti Sauce made with real food ingredients and takes only 10 minutes of prep time! This healthy spaghetti sauce is the perfect way to feed a crowd or prep for a busy week ahead. Super delicious and easy!
Course Main Course
Cuisine Italian
Keyword Crock Pot Spaghetti Sauce, Slow Cooker Spaghetti Sauce, Spaghetti Sauce
Prep Time 10 minutes
Cook Time 4 hours
Total Time 4 hours 10 minutes
Servings 6 -8 servings


  • 3 cans 14.5 oz each organic diced tomatoes
  • 2 cans 6 oz each organic tomato paste
  • 1/4 cup virgin olive oil
  • 6 large cloves garlic minced or pressed
  • 2 Tbsp Italian seasoning
  • 2 tsp dried oregano
  • 2 tsp dried parsley
  • 1/2 tsp fennel
  • 1/2 tsp paprika
  • 3 bay leaves
  • 1 Tbsp sea salt
  • 1/2 tsp black pepper
  • 1 Tbsp organic sugar (optional)
  • 1 large yellow onion finely chopped
  • lbs pastured ground beef
  • 1 cup fresh basil, sliced into ribbons
  • additional fresh basil and Parmesan cheese for serving


  • Place all ingredients except onion and beef into slow cooker and stir well.
  • Add onion and beef and cook on high 3-4 hrs, or on low 6-8 hrs. If possible, open the lid a couple times during cooking to break up meat with a wooden spoon. 
  • Once the sauce is done, add additional salt and pepper to taste and stir in the fresh basil.
  • Serve over cooked spaghetti with additional fresh basil and Parmesan.


  • You can swap ground beef for ground turkey or Italian sausage.
  • You can use this spaghetti sauce for so many different recipes from spaghetti to stuffed shells or why not even add some spice and turn it into a delicious and healthy chili!
  • Feel free to add in any extra veggies, it's a great recipe for using up leftovers!
  • Leftovers will store well in suitable containers in the fridge for up to 5 days or can be frozen and thawed as needed.
  • To reheat from frozen, add the thawed meat to a slow cooker or heat in a skillet until piping hot all the way through.