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 Or Yellow Squash Casserole?

You need 11 ingredients. The key ingredients include: 1 medium bell pepper, cut in 1/2 in cubes, 1/4 cup margarine, 1 medium onion, diced, 2 medium zucchini or 4 small yellow squash, and more.

Is Zucchini Or Yellow Squash Casserole suitable as vegetarian?

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

How do I store leftover Zucchini Or Yellow Squash Casserole?

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

Zucchini Or Yellow Squash Casserole Recipe

Name: Zucchini Or Yellow Squash Casserole
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 1 medium bell pepper, cut in 1/2 in cubes; 1/4 cup margarine; 1 medium onion, diced; 2 medium zucchini or 4 small yellow squash; 1 (16 ounce) can tomatoes; 4 slices bread, toasted and cut in small cubes; 1 teaspoon salt; 1/4 teaspoon pepper; 1/4 teaspoon garlic salt; 1/2 teaspoon oregano; parmesan cheese

Try this homemade Zucchini Or Yellow Squash Casserole recipe the whole family will love. Made with bell pepper, margarine, onion and zucchini. Easy step…

This Zucchini Or Yellow Squash Casserole relies on simple, everyday ingredients such as margarine, medium onion, diced, (16 ounce) can tomatoes and salt. It comes together quickly and makes 4 servings, at about 28 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 Or Yellow Squash Casserole

Tips for the best results

Variations & substitutions

My Personal Notes

How did you like this recipe?

Frequently Asked Questions