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spaghetti sauce in metal pot

Homemade Slow Cooker Spaghetti Sauce Recipe

Use your fresh garden tomatoes to make this homemade slow cooker spaghetti sauce recipe!

Keyword canning recipe, garden recipe, slow cooker
Prep Time 1 hour
Cook Time 8 hours
Servings 5 quarts


  • 25 large tomatoes
  • 1 Tbsp. Worcestershire sauce
  • 1/4 cup oregano
  • 1 tsp granulated sugar
  • 1 Tbsp. onion powder
  • 1 Tbsp. garlic powder
  • 1/4 cup fresh minced garlic
  • 1/2 cup Italian Seasonings
  • 1/8 cup parsley
  • 1/2 cup Parmesan cheese ONLY if not canning!


  1. Cut tomatoes and cook in slow cooker on low for 8 hours.

  2. Remove excess water and blend in food processor.

  3. Simmer on low on stove top and add in all seasonings.

  4. Can or store in fridge for later!