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How to make and can homemade spaghetti sauce for all your pasta recipes!

Homemade Spaghetti Sauce

Heather Harris
Prep Time 15 mins
Cook Time 6 hrs
Total Time 6 hrs 15 mins
Servings 7


  • 8 lbs ripe tomatoes
  • 3 medium green peppers chopped
  • 2 medium onions chopped
  • 3 cloves garlic crushed
  • 15-20 fresh basil leaves (or use 1/4 cup dry)
  • 15-20 fresh basil leaves or ¼ cup dried
  • 2 tsp sugar to cut acidity from tomatoes
  • salt and pepper to taste


  • Core the tomatoes and place in the crock pot whole.
  • Remove the seeds from the green pepper and roughly chop.
  • Remove the onion skin and roughly chop.
  • Peel and crush garlic cloves and dice.
  • Add all the ingredients to your crockpot.
  • Cook on low for 6-8 hours.
  • Blend smooth with a stick blender. If you don’t have a stick blender, you can add it to your regular stand blender in batches to process.
  • Return to the crockpot and cook on low another 6-8 hours, with the lid slightly off to allow steam to escape.
    spaghetti sauce cooking
  • When the sauce is mounded up on a spoon, it is ready. Check taste for seasonings and adjust salt and pepper or sugar as necessary.