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 Zucchini and Tomato Casserole?

You need 11 ingredients. The key ingredients include: 4 cups sliced zucchini, 1 medium onion, sliced, 3 tomatoes, sliced, ½ cup chopped green pepper, and more.

Is Zucchini and Tomato Casserole suitable as vegetarian?

Yes, Zucchini and Tomato Casserole falls under the Vegetarian category and is a great choice for this type of meal.

How do I store leftover Zucchini and Tomato Casserole?

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

Zucchini and Tomato Casserole Recipe

Name: Zucchini and Tomato Casserole
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 4 cups sliced zucchini; 1 medium onion, sliced; 3 tomatoes, sliced; ½ cup chopped green pepper; ¼ cup parmesan cheese; 3 slices bread, cubed; 3 tablespoons melted margarine; 1 teaspoon basil; 1 teaspoon parsley; 1 teaspoon oregano; salt and pepper

Try this homemade Zucchini and Tomato Casserole recipe the whole family will love. Made with zucchini, onion, tomatoes and green pepper. Easy step-by-st…

This Zucchini and Tomato Casserole relies on simple, everyday ingredients such as sliced zucchini, medium onion, sliced, tomatoes, sliced and chopped green pepper. It comes together quickly and makes 4 servings, at about 103 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

Saved locally in your browser — visible only to you.

Zucchini and Tomato Casserole

Tips for the best results

Variations & substitutions

My Personal Notes

How did you like this recipe?

Frequently Asked Questions