Go Back
tomato sauce in a jar

Tomato Sauce for Canning

Preparing & canning homemade spaghetti sauce can save you both time and money while extending the time you can enjoy your tomato harvest.
Cook Time 1 hr 30 mins
Course Main Course
Cuisine Italian
Servings 4 pints


  • 15 pounds tomatoes
  • 2 t olive oil
  • 1/2 cup chopped onions
  • 3 T minced garlic clovers
  • 1 T salt
  • 1/2 cup green peppers or celery
  • 1 t black pepper
  • 1 T oregano dried
  • 2 T parsley dried
  • 2 T brown sugar


  • Wash tomatoes thoroughly
  • Bring a large pot to boil. Dunk the tomatoes in the boiling water to soften the skins - about 30-60 seconds
  • Remove the tomato skins. Dip the tomatoes in cold water can make this easier
  • Remove the cores and slice into quarters.
  • Boil the tomatoes for 20 minutes
  • Run the tomatoes through a food mill or strainer
  • Sautee garlic, onions, and green peppers
  • Combine cooked tomatoes and sauteed vegetables, spices and sugar in a large pot.
  • Simmer uncovered until the desired consistency is reached. Stir often.
  • Remove from heat and fill jars for canning. The sauce can also be frozen.
Keyword fresh tomatoes, marinara sauce, spaghetti sauce