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spaghetti sauce with spaghetti in a bowl

Crockpot Spaghetti Sauce

Crockpot Spaghetti Sauce is so easy to make for a great, homemade, Italian sauce!  Ground beef is simmered all day with spices for tons of mouthwatering flavor!
Course Main Course
Cuisine American, Italian
Prep Time 10 minutes
Cook Time 8 hours
Total Time 8 hours 10 minutes
Servings 6
Calories 309kcal
Author Nichole


  • 1 Teaspoon Olive Oil
  • 1.5 Pounds Ground Beef
  • 1 Onion, Diced
  • 4 Cloves Garlic, Minced
  • Salt & Pepper, To Taste
  • 2 Teaspoons Italian Seasoning
  • 1 Teaspoon Sugar
  • ½ Teaspoon Red Pepper Flakes
  • 2 15 Ounce Cans Tomato Sauce
  • 1 28 Ounce Can Crushed Tomatoes


  • Heat the olive oil in a large skillet over medium-high heat.
  • Add the ground beef, onion, and garlic. Cook, crumbling the meat until no longer pink.
  • Drain the grease from the meat and add to the slow cooker.
  • Salt & pepper the meat to taste. Add in the Italian seasoning, sugar, and red pepper flakes.
  • Pour the cans of tomato sauce, and the can of crushed tomatoes over the meat and stir.
  • Place the lid on the slow cooker and cook on low for 6-8 hours or high for 3-4 hours.
  • Serve immediately with your favorite pasta.
  • Store leftovers in the refrigerator for up to 4 days.



NOTE:  This sauce can be frozen once cooled in an airtight container for up to 3 months.
NOTE:  A double batch of this sauce will fit in a 6 quart or larger slow cooker.


Calories: 309kcal | Carbohydrates: 3g | Protein: 19g | Fat: 23g | Saturated Fat: 8g | Cholesterol: 80mg | Sodium: 81mg | Potassium: 349mg | Sugar: 1g | Vitamin A: 60IU | Vitamin C: 2mg | Calcium: 39mg | Iron: 2.5mg