Homemade Oil-Free Spaghetti Sauce

Looking for a versatile oil-free tomato sauce great for pizza or over pasta? You’ll love this one! So easy to make with just a very few ingredients, and so yummy!


Homemade Oil-Free Spaghetti Sauce

Print Recipe
Course Main Course, Snack
Cuisine Italian
Prep Time 29 minutes
Cook Time 4 hours
Servings 6 servings
Cost $8 total


  • Crockpot, Slow Cooker, or Instant Pot


  • 2-3 ea cloves fresh garlic chopped
  • 1 ea small whole yellow onion chopped
  • 2 tsp Penzey’s Spices’ Italian Herb Mix
  • 1 tsp Spice Island’s Beau Monde Seasoning
  • 6 oz tomato paste
  • 1 28 oz can tomato sauce or two 15oz cans
  • 1 28 oz can diced tomatoes or two 15oz cans
  • 8-12 ea mushrooms chopped
  • 2-3 ea small zucchini chopped


  • Put all ingredients in a slow cooker, or crock pot, or in an instant pot on slow cook mode, for 4 hours.
  • Stir contents every hour.
  • After it has cooked for 2 hours, taste to balance herb seasonings.

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