How many servings does this recipe make?

This recipe makes 4 servings. You can adjust the portion size directly on this page.

What ingredients do I need for Vegetarian Spaghetti Sauce?

You need 12 ingredients. The key ingredients include: 1 medium onion, chopped, 4 garlic cloves, minced, 1 tablespoon canola oil, 1/2 pound sliced fresh mushrooms, and more.

Is Vegetarian Spaghetti Sauce suitable as pasta & noodles?

Yes, Vegetarian Spaghetti Sauce falls under the Pasta & Noodles category and is a great choice for this type of meal.

How do I store leftover Vegetarian Spaghetti Sauce?

Store leftovers in an airtight container in the refrigerator for up to 3–4 days. Reheat gently before serving.

Vegetarian Spaghetti Sauce Recipe

Name: Vegetarian Spaghetti Sauce
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 1 medium onion, chopped; 4 garlic cloves, minced; 1 tablespoon canola oil; 1/2 pound sliced fresh mushrooms; 1 can (28 ounces) Italian crushed tomatoes, undrained; 1 can (6 ounces) tomato paste; 1 tablespoon minced chives; 1-1/2 teaspoons Italian seasoning; 3/4 teaspoon salt; 1/8 teaspoon crushed red pepper flakes; 2 cups frozen vegetarian meat crumbles; Hot cooked pasta, optional

Try this homemade Vegetarian Spaghetti Sauce recipe the whole family will love. Made with onion, garlic, canola oil and mushrooms. Easy step-by-step ins…

This Vegetarian Spaghetti Sauce relies on simple, everyday ingredients such as medium onion, chopped, garlic cloves, minced, canola oil and sliced fresh mushrooms. It comes together quickly and makes 4 servings, at about 239 kcal each. The step-by-step instructions below are written to be easy to follow, even on a busy day.

It's versatile enough for an easy weeknight dinner yet satisfying enough for guests at the weekend. Serve it with your favorite sides, and keep any leftovers for a quick meal the next day.

Updated Jun 30, 2026

Serves 4 Pasta & Noodles

Tips for the best results

Read through all the steps once before you start and measure out your ingredients first — it makes everything go more smoothly.
Taste as you go and adjust the seasoning before serving.
Avoid overcrowding the pan — cook in batches if needed for the best texture.
Let the dish rest for a few minutes before serving so the flavors settle.
Store leftovers in an airtight container in the fridge and enjoy within a few days.

Variations & substitutions

Feel free to swap in similar ingredients you already have on hand and adjust seasoning to taste.

No specific allergen information. Please check the ingredient list for possible allergens.

My Personal Notes

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Vegetarian Spaghetti Sauce

Tips for the best results

Variations & substitutions

My Personal Notes

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