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 Instant Pot Vegan Baked Ziti?

You need 13 ingredients. The key ingredients include: 2 tablespoons olive oil, 1 cup diced yellow onion, 1 1/2 cups diced mushrooms, 1 1/2 cups diced eggplant, and more.

Is Instant Pot Vegan Baked Ziti suitable as vegetarian?

Yes, Instant Pot Vegan Baked Ziti falls under the Vegetarian category and is a great choice for this type of meal.

How do I store leftover Instant Pot Vegan Baked Ziti?

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

Instant Pot Vegan Baked Ziti Recipe

Name: Instant Pot Vegan Baked Ziti
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 2 tablespoons olive oil; 1 cup diced yellow onion; 1 1/2 cups diced mushrooms; 1 1/2 cups diced eggplant; 2 garlic cloves, minced; 1 teaspoon kosher salt; 3/4 teaspoon black pepper; 2 cups water; 1 pound uncooked ziti pasta; 1 (24-oz.) jar marinara sauce; 2 tablespoons fresh chopped flat-leaf parsley; 2 tablespoons fresh chopped basil; 2 cups shredded vegan mozzarella, optional

stirring constantly

This Instant Pot Vegan Baked Ziti relies on simple, everyday ingredients such as olive oil, diced yellow onion, diced mushrooms and diced eggplant. It comes together quickly and makes 4 servings, at about 791 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 Vegetarian

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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Instant Pot Vegan Baked Ziti

Tips for the best results

Variations & substitutions

My Personal Notes

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Frequently Asked Questions