Cheesy Zucchini Casserole
Cheesy Zucchini Casserole is a delicious and comforting dish that combines tender zucchini with a creamy cheese sauce and a crunchy topping. This casserole is perfect as a side dish or a light main course, and it’s a great way to use up fresh zucchini!
Ingredients List
For the Casserole:
- 4 medium zucchinis (sliced)
- 1 cup shredded cheddar cheese (or your favorite cheese)
- 1/2 cup grated Parmesan cheese
- 1/2 cup sour cream
- 1/2 cup milk
- 2 large eggs
- 1 teaspoon garlic powder
- 1 teaspoon onion powder
- Salt and pepper (to taste)
- 1 teaspoon dried thyme (optional)
- 1 cup breadcrumbs (preferably panko for extra crunch)
- 2 tablespoons olive oil (for the topping)
Timing
Making Cheesy Zucchini Casserole takes about 1 hour. Here’s a breakdown of the timing:
- Preparation Time: 20 minutes
- Cooking Time: 40 minutes
- Total Time: Approximately 1 hour
Step-by-Step Instructions
Step 1: Preheat the Oven
- Preheat Oven: Preheat your oven to 350°F (175°C).
Step 2: Prepare the Zucchini
- Slice Zucchini: Wash and slice the zucchinis into thin rounds.
- Sauté Zucchini: In a large skillet over medium heat, add a drizzle of olive oil and sauté the zucchini slices for about 5-7 minutes, or until they are just tender. Remove from heat and set aside.
Step 3: Make the Cheese Mixture
- Mix Ingredients: In a large mixing bowl, combine the shredded cheddar cheese, grated Parmesan cheese, sour cream, milk, eggs, garlic powder, onion powder, salt, pepper, and dried thyme (if using). Mix until well combined.
Step 4: Combine Zucchini and Cheese Mixture
- Combine: Add the sautéed zucchini to the cheese mixture and stir until the zucchini is evenly coated.
Step 5: Prepare the Topping
- Make the Topping: In a small bowl, combine the breadcrumbs with olive oil. Mix until the breadcrumbs are evenly coated.
Step 6: Assemble the Casserole
- Transfer to Baking Dish: Pour the zucchini and cheese mixture into a greased 9×13-inch baking dish.
- Add Topping: Sprinkle the breadcrumb mixture evenly over the top of the casserole.
Step 7: Bake
- Bake: Place the casserole in the preheated oven and bake for 30-35 minutes, or until the top is golden brown and the casserole is bubbly.
Step 8: Serve
- Cool and Serve: Let the casserole cool for a few minutes before serving. Enjoy!

Nutritional Information
Here’s a rough estimate of the nutritional content per serving (based on a recipe yielding 6 servings):
| Nutrient | Amount |
|---|---|
| Calories | 220 |
| Total Fat | 12g |
| Saturated Fat | 6g |
| Cholesterol | 70mg |
| Sodium | 400mg |
| Total Carbohydrates | 18g |
| Dietary Fiber | 2g |
| Sugars | 3g |
| Protein | 10g |
Tips for Success
- Use Fresh Zucchini: Fresh zucchini will give you the best flavor and texture.
- Adjust Cheese Types: Feel free to mix different types of cheese based on your preferences.
- Add More Veggies: You can add other vegetables like bell peppers or spinach for extra nutrition and flavor.
Common Mistakes to Avoid
- Overcooking the Zucchini: Sautéing the zucchini just until tender will prevent it from becoming mushy in the casserole.
- Not Greasing the Baking Dish: Ensure your baking dish is well-greased to prevent sticking.
Storing Tips
- Refrigeration: Store leftovers in an airtight container in the refrigerator for up to 3 days.
- Freezing: You can freeze the casserole before baking. Just cover it tightly with foil and freeze for up to 2 months. Thaw in the refrigerator before baking.
Conclusion
Cheesy Zucchini Casserole is a comforting and satisfying dish that’s perfect for any occasion. With its creamy cheese filling and crunchy topping, it’s sure to be a hit at the dinner table!
FAQs
Can I make this dish ahead of time?
Yes! You can prepare the casserole in advance and refrigerate it until you’re ready to bake.
What can I serve with this casserole?
This dish pairs well with grilled chicken, fish, or a fresh salad.
Can I use other vegetables?
Absolutely! Feel free to substitute or add other vegetables like broccoli, cauliflower, or carrots.
Cheesy Zucchini Casserole
Ingredients
- For the Casserole:
- 4 medium zucchinis (sliced)
- 1 cup shredded cheddar cheese (or your favorite cheese)
- 1/2 cup grated Parmesan cheese
- 1/2 cup sour cream
- 1/2 cup milk
- 2 large eggs
- 1 teaspoon garlic powder
- 1 teaspoon onion powder
- Salt and pepper (to taste)
- 1 teaspoon dried thyme (optional)
- 1 cup breadcrumbs (preferably panko for extra crunch)
- 2 tablespoons olive oil (for the topping)
Instructions
Step 1: Preheat the Oven
- Preheat Oven: Preheat your oven to 350°F (175°C).
Step 2: Prepare the Zucchini
- Slice Zucchini: Wash and slice the zucchinis into thin rounds.
- Sauté Zucchini: In a large skillet over medium heat, add a drizzle of olive oil and sauté the zucchini slices for about 5-7 minutes, or until they are just tender. Remove from heat and set aside.
Step 3: Make the Cheese Mixture
- Mix Ingredients: In a large mixing bowl, combine the shredded cheddar cheese, grated Parmesan cheese, sour cream, milk, eggs, garlic powder, onion powder, salt, pepper, and dried thyme (if using). Mix until well combined.
Step 4: Combine Zucchini and Cheese Mixture
- Combine: Add the sautéed zucchini to the cheese mixture and stir until the zucchini is evenly coated.
Step 5: Prepare the Topping
- Make the Topping: In a small bowl, combine the breadcrumbs with olive oil. Mix until the breadcrumbs are evenly coated.
Step 6: Assemble the Casserole
- Transfer to Baking Dish: Pour the zucchini and cheese mixture into a greased 9x13-inch baking dish.
- Add Topping: Sprinkle the breadcrumb mixture evenly over the top of the casserole.
Step 7: Bake
- Bake: Place the casserole in the preheated oven and bake for 30-35 minutes, or until the top is golden brown and the casserole is bubbly.
Step 8: Serve
- Cool and Serve: Let the casserole cool for a few minutes before serving. Enjoy!
