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 Baked Vegetable Casserole?

You need 10 ingredients. The key ingredients include: 1 small eggplant, cut into 3/4-inch cubes, 12 oz. yellow squash, sliced 1/4-inch thick, 12 oz. zucchini, cut in 1/2-inch chunks, 1 c. thinly sliced onion, and more.

Is Baked Vegetable Casserole suitable as vegetarian?

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

How do I store leftover Baked Vegetable Casserole?

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

Baked Vegetable Casserole Recipe

Name: Baked Vegetable Casserole
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 1 small eggplant, cut into 3/4-inch cubes; 12 oz. yellow squash, sliced 1/4-inch thick; 12 oz. zucchini, cut in 1/2-inch chunks; 1 c. thinly sliced onion; 2 tomatoes, cut in 1/2-inch chunks; 1 green pepper, cut in strips; 2 Tbsp. vegetable oil; 2 garlic cloves, minced; 2 tsp. basil; 1 tsp. salt

Try this homemade Baked Vegetable Casserole recipe the whole family will love. Made with eggplant, yellow squash, zucchini and onion. Easy step-by-step …

This Baked Vegetable Casserole relies on simple, everyday ingredients such as thinly sliced onion, green pepper, cut in strips, vegetable oil and garlic cloves, minced. It comes together quickly and makes 4 servings, at about 200 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.

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Baked Vegetable Casserole

Tips for the best results

Variations & substitutions

My Personal Notes

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