This baked zucchini and swiss cheese casserole is warm, cheesy, and full of flavor. It's an easy, feel-good dish everyone will love!
Zucchini is one of those veggies that works for just about anything. Using up your garden harvest, Sunday dinner with the family, or even adding something fresh to your holiday spread.
It’s mild, soft, and tastes amazing, especially when baked up with all that gooey, cheesy goodness in a casserole!
Why You Will Love This Baked Zucchini Casserole
- Packed with a blend of swiss and mozzarella cheese and a rich, creamy sauce that makes every bite irresistible.
- Features soft zucchini that melts in your mouth while staying full of flavor.
- A cheesy comfort food classic that’s perfect for family dinners or potlucks.
- Easy to make with simple ingredients but tastes like a gourmet side dish.
- The rich, bubbly topping adds the perfect golden, crispy finish everyone will love!
For more zucchini recipes, try this roasted mushroom and zucchini frittata or these yummy air fryer zucchini curly fries.
Equipment Needed:
- Large Skillet (10.25 inch with tall sides, or larger)
- Spatula
- 8 inch by 8 inch dish
Ingredients:
- Unsalted Butter
- Zucchini
- Sweet Onion
- Garlic, minced
- Italian Seasoning
- Salt
- Black Pepper
- Swiss Cheese
- Mozzarella Cheese
How to Make Cheesy Zucchini Casserole
- Preheat your oven to 400℉ and grease your baking dish with extra butter.
- Saute the onion and garlic in the butter in your skillet on medium heat for 2-3 minutes, then add in the zucchini and saute for another 7-10 minutes, stirring constantly, or until softened.
- Remove from the heat and stir in the Italian seasoning, salt & pepper, and swiss cheese.
- Transfer to your baking dish and sprinkle the mozzarella on top.
- Bake for about 20 minutes, or until the top starts to golden.
- Serve and enjoy!
SAVE FOR LATER BY PINNING THE BELOW IMAGE
The best way to store leftovers is in the fridge in an airtight container for up to 3 days. Reheat in the microwave, or in the oven at 350℉ until warm.
Yes, zucchini is full of water, when it’s cooked the water releases, and that water ends up at the bottom of the skillet.
The zucchini will be done cooking on the skillet when it starts to soften, around 10 minutes.
The top of the cheese will start to golden, just as it does on pizza, this is your cue that the zucchini casserole is done baking.
Yes, due to the large amount of cheese, this casserole will become greasy.
Best Cheesy Zucchini Casserole
Author: Recipe Idea Shop
Equipment
- Large Skillet (10.25 inch with tall sides, or larger)
- Spatula
- Baking Dish 8x8
Ingredients
- 2 tablespoon Unsalted Butter
- 3 Zucchinis, sliced
- 1 small Sweet Onion, finely diced
- 3 cloves Garlic, minced
- 2 teaspoon Italian Seasoning
- ½ teaspoon Salt
- ½ teaspoon Pepper
- 2 cups Swiss Cheese, freshly shredded
- 1 cup Mozzarella Cheese, freshly shredded
Instructions
- Preheat your oven to 400℉ and grease your baking dish with extra butter.
- Saute the onion and garlic in the butter in your skillet on medium heat for 2-3 minutes, then add in the zucchini and saute for another 7-10 minutes, stirring constantly, or until softened.
- Remove from the heat and stir in the Italian seasoning, salt & pepper, and swiss cheese.
- Transfer to your baking dish and sprinkle the mozzarella on top.
- Serve and enjoy!
