Why Make This Recipe
Cheesy Zucchini Casserole is a fantastic dish that combines fresh zucchini and cheesy goodness. It is a great way to use up extra zucchini from your garden or to sneak more vegetables into your family’s diet. This casserole is creamy, cheesy, and comforting, making it a perfect side dish or light main course for any meal. It is easy to prepare and sure to be a hit with both kids and adults alike.
How to Make Cheesy Zucchini Casserole
Ingredients
- 4 cups zucchini, chopped
- 2 cups bread cubes (day-old or toasted)
- 2 cups shredded cheddar cheese
- 1/2 cup sour cream
- 1/4 cup grated Parmesan cheese
- 1 egg
- 1/2 tsp garlic powder
- 1/2 tsp onion powder
- Salt and pepper to taste
- 1 tbsp butter (optional, for topping)
Directions
- Preheat your oven to 375°F (190°C) and grease a 9×13" casserole dish.
- In a large bowl, combine chopped zucchini, sour cream, egg, Parmesan cheese, garlic powder, onion powder, salt, and pepper.
- Fold in the bread cubes and 1 1/2 cups of shredded cheddar cheese until everything is evenly coated.
- Pour the mixture into the prepared casserole dish.
- Sprinkle the remaining cheddar cheese and optional butter on top.
- Bake uncovered for 30–35 minutes, or until the top is golden and bubbly.
- Serve warm and enjoy!
How to Serve Cheesy Zucchini Casserole
You can serve Cheesy Zucchini Casserole as a side dish with your favorite roasted meats or grilled chicken. It also makes a great main dish paired with a crisp salad. Add some fresh herbs on top for an extra touch!
How to Store Cheesy Zucchini Casserole
If you have leftovers, let the casserole cool completely. Store it in an airtight container in the refrigerator for up to 3 days. You can also freeze the casserole for up to 2 months. Just make sure to reheat it thoroughly before serving.
Tips to Make Cheesy Zucchini Casserole
- For extra flavor, try adding some cooked bacon or sausage to the mixture.
- Use different types of cheese, like mozzarella or a cheese blend, to change the taste.
- Make sure to thoroughly drain any excess moisture from the zucchini to avoid a watery casserole.
Variation
You can easily adjust this casserole by adding other vegetables like bell peppers, corn, or spinach. Different seasonings, such as Italian herbs or cayenne pepper, can also change the flavor profile.
FAQs
1. Can I use frozen zucchini?
Yes, but you should thaw and drain the excess water from frozen zucchini before using it in the casserole.
2. Is this casserole suitable for vegetarians?
Yes, Cheesy Zucchini Casserole is a vegetarian-friendly dish.
3. Can I make this casserole ahead of time?
Absolutely! You can prepare the casserole a day in advance and store it in the refrigerator before baking it. Just add a few extra minutes to the baking time if it’s cold from the fridge.

Cheesy Zucchini Casserole
Ingredients
Main ingredients
- 4 cups zucchini, chopped Fresh zucchini, diced
- 2 cups bread cubes Day-old or toasted
- 2 cups shredded cheddar cheese Divided into two portions
- 1/2 cup sour cream Adds creaminess
- 1/4 cup grated Parmesan cheese Enhances flavor
- 1 egg Binds the mixture
- 1/2 teaspoon garlic powder
- 1/2 teaspoon onion powder
- Salt and pepper To taste
- 1 tablespoon butter Optional, for topping
Instructions
Preparation
- Preheat your oven to 375°F (190°C) and grease a 9x13 inch casserole dish.
- In a large bowl, combine chopped zucchini, sour cream, egg, Parmesan cheese, garlic powder, onion powder, salt, and pepper.
- Fold in the bread cubes and 1 1/2 cups of shredded cheddar cheese until everything is evenly coated.
- Pour the mixture into the prepared casserole dish.
- Sprinkle the remaining cheddar cheese and optional butter on top.
Baking
- Bake uncovered for 30-35 minutes, or until the top is golden and bubbly.
- Serve warm and enjoy!