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 Vegetable Spaghetti Bake?

You need 11 ingredients. The key ingredients include: 8 ounces uncooked spaghetti, 1 jar (28 ounces) meatless spaghetti sauce, divided, 1-1/2 cups cut zucchini (1/2-inch pieces), 1 cup sliced celery, and more.

Is Vegetable Spaghetti Bake suitable as pasta & noodles?

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

How do I store leftover Vegetable Spaghetti Bake?

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

Vegetable Spaghetti Bake Recipe

Name: Vegetable Spaghetti Bake
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 8 ounces uncooked spaghetti; 1 jar (28 ounces) meatless spaghetti sauce, divided; 1-1/2 cups cut zucchini (1/2-inch pieces); 1 cup sliced celery; 1 cup thinly sliced carrots; 1 cup sliced fresh mushrooms; 1 medium onion, chopped; 1 tablespoon olive oil; 2 cups fat-free cottage cheese; 2 cups shredded part-skim mozzarella cheese; 2 tablespoons grated Parmesan cheese

Try this homemade Vegetable Spaghetti Bake recipe the whole family will love. Made with spaghetti, spaghetti sauce, zucchini and celery. Easy step-by-st…

This Vegetable Spaghetti Bake relies on simple, everyday ingredients such as uncooked spaghetti, sliced celery, thinly sliced carrots and sliced fresh mushrooms. It comes together quickly and makes 4 servings, at about 510 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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Vegetable Spaghetti Bake

Tips for the best results

Variations & substitutions

My Personal Notes

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Frequently Asked Questions