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 Summer Squash And Zucchini Casserole?

You need 11 ingredients. The key ingredients include: 3 medium-size summer squash, 2 medium zucchini, 1 large sweet onion, 2 c. shredded Monterey Jack cheese, and more.

Is Summer Squash And Zucchini Casserole suitable as vegetarian?

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

How do I store leftover Summer Squash And Zucchini Casserole?

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

Summer Squash And Zucchini Casserole Recipe

Name: Summer Squash And Zucchini Casserole
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 3 medium-size summer squash; 2 medium zucchini; 1 large sweet onion; 2 c. shredded Monterey Jack cheese; 1 1/3 c. grated Parmesan cheese; 2 c. milk; 2 jumbo eggs; 1 1/3 c. Minute rice; 1/2 tsp. salt; 1/2 tsp. Italian seasoning; 1/8 tsp. fresh ground pepper

Try this homemade Summer Squash And Zucchini Casserole recipe the whole family will love. Made with summer, zucchini, sweet onion and shredded Monterey …

This Summer Squash And Zucchini Casserole relies on simple, everyday ingredients such as medium-size summer squash, medium zucchini, large sweet onion and grated parmesan cheese. It comes together quickly and makes 4 servings, at about 1277 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

1277

kcal

Calories

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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Summer Squash And Zucchini Casserole

Tips for the best results

Variations & substitutions

My Personal Notes

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