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 Harvest Vegetable Casserole?

You need 13 ingredients. The key ingredients include: 1 tablespoon butter, 1 yam, quartered and sliced, 1/2 sweet onion (such as Vidalia(R)), sliced, 1 zucchini, halved lengthwise and sliced, and more.

Is Harvest Vegetable Casserole suitable as vegetarian?

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

How do I store leftover Harvest Vegetable Casserole?

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

Harvest Vegetable Casserole Recipe

Name: Harvest Vegetable Casserole
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 1 tablespoon butter; 1 yam, quartered and sliced; 1/2 sweet onion (such as Vidalia(R)), sliced; 1 zucchini, halved lengthwise and sliced; 1 yellow squash, halved lengthwise and sliced; 1/2 large red bell pepper, chopped; 1/2 large green bell pepper, chopped; 1 teaspoon dried oregano; 1 teaspoon dried basil; salt and ground black pepper to taste; 1/4 cup shredded sharp Cheddar cheese; 2 tablespoons seasoned bread crumbs; butter-flavored cooking spray

Try this homemade Harvest Vegetable Casserole recipe the whole family will love. Made with butter, yam, sweet onion and zucchini. Easy step-by-step inst…

This Harvest Vegetable Casserole relies on simple, everyday ingredients such as butter, yam, quartered and sliced, dried oregano and dried basil. It comes together quickly and makes 4 servings, at about 74 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

Use a neutral oil or a plant-based spread in place of butter for a dairy-free version.

No specific allergen information. Please check the ingredient list for possible allergens.

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Harvest Vegetable Casserole

Tips for the best results

Variations & substitutions

My Personal Notes

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