clock clock iconcutlery cutlery iconflag flag iconfolder folder iconinstagram instagram iconpinterest pinterest iconfacebook facebook iconprint print iconsquares squares iconheart heart iconheart solid heart solid icon
meatless spaghetti sauce

Meatless Spaghetti Sauce

5 Stars 4 Stars 3 Stars 2 Stars 1 Star 5 from 6 reviews
  • Author: Liz Thomson
  • Prep Time: 5 minutes
  • Cook Time: 35 minutes
  • Total Time: 40 minutes
  • Yield: 5 cups 1x
  • Category: Sauce
  • Method: Stovetop
  • Cuisine: Italian
  • Diet: Vegetarian


This delicious spaghetti sauce uses mushrooms for a hearty texture that is completely vegetarian! This freezer-friendly sauce is delicious on your favorite pasta.


  • 6 tablespoons extra virgin olive oil
  • 8 oz cremini or button mushrooms
  • 1 small yellow onion, chopped
  • 5 cloves garlic, minced
  • 1 teaspoon dried oregano
  • 1/4 teaspoon crushed red pepper flakes (optional)
  • ¼ cup tomato paste
  • 28 oz crushed tomatoes
  • 2 cups vegetable broth


  1. Heat the olive oil in a large skillet over medium heat for 30 seconds
  2. Add mushrooms and cook for 8 minutes, stirring occasionally
  3. Add onion and cook for 5 minutes until the onion is translucent
  4. Add tomato paste and cook 1-2 minutes
  5. Add garlic, oregano, and crushed red peppers and continue to cook for for 30 seconds
  6. Stir in tomatoes and broth bring to a simmer.
  7. Reduce heat to low and simmer for 20 minutes.
  8. For a smoother sauce, use an immersion blender to gently blend the sauce until it’s the desired thickness.