Every summer, I find myself surrounded by baskets of fresh zucchini from the garden. At first, I used to wonder what to do with so much of it, but over time I discovered that casseroles are the easiest and most comforting way to make use of this seasonal bounty. One of my favorite creations is this Simple Zucchini Dill Casserole. It is rustic, flavorful, and brings out the best of zucchini in a dish that is both nourishing and satisfying. The aroma of baked zucchini mixed with dill and parmesan always reminds me of warm family dinners, where we gathered around the table and enjoyed simple yet delicious meals.
What makes this casserole so special is how quickly it comes together. With just a handful of pantry staples and fresh vegetables, you can have a hearty meal ready in less than 40 minutes. It is the kind of recipe you’ll want to keep close, especially when you need something wholesome but don’t have hours to spend in the kitchen.
Why You’ll Love This Recipe
This zucchini dill casserole is not just about taste—it is also about convenience. The flavors are balanced, the texture is tender yet slightly crisp at the edges, and it pairs well with so many sides. Here are a few reasons why it will win you over:
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Versatile: You can serve it as a light main dish, a side to grilled meats, or even as part of a brunch spread. It also works well warm or at room temperature, making it perfect for potlucks.
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Budget-Friendly: Made with affordable ingredients like zucchini, onion, eggs, and a basic baking mix, this casserole proves you don’t need expensive items to create something delicious. It’s a smart way to use up garden produce without wasting a thing.
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Family-Friendly: Its mild flavor makes it appealing to kids and adults alike, while the dill and parmesan add just enough personality to keep it exciting.
Ingredients for Simple Zucchini Dill Casserole
To prepare this recipe, you will need the following ingredients:
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1 cup baking mix
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1/2 cup shredded parmesan cheese
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1 tablespoon dried dill
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1 teaspoon salt
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1/8 teaspoon black pepper
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4 large eggs, slightly beaten
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1/2 cup canola oil
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3 cups diced zucchini
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1 large onion, chopped
This simple list comes together beautifully, creating a casserole that is both hearty and refreshing, perfect for everyday meals.

Simple Zucchini Dill Casserole
This Simple Zucchini Dill Casserole is an easy and flavorful way to enjoy garden-fresh zucchini. Blended with parmesan, dill, and onion, it bakes into a golden casserole that is perfect as a side dish or light main course.
- Total Time: 35 minutes
- Yield: 4 servings 1x
Ingredients
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1 cup baking mix
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1/2 cup shredded parmesan cheese
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1 tablespoon dried dill
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1 teaspoon salt
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1/8 teaspoon black pepper
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4 large eggs, slightly beaten
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1/2 cup canola oil
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3 cups diced zucchini
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1 large onion, chopped
Instructions
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Preheat the oven to 350°F (175°C). Grease a medium-sized casserole dish.
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In a large bowl, mix the baking mix, parmesan cheese, dried dill, salt, and black pepper.
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In a separate bowl, whisk together the eggs and canola oil until smooth.
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Pour the egg mixture into the dry mixture and stir until combined.
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Fold in the diced zucchini and chopped onion, making sure they are evenly coated.
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Transfer the mixture into the greased casserole dish and spread it evenly.
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Bake for 25–30 minutes, until the top is golden and a toothpick inserted into the center comes out clean.
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Let the casserole cool for 5 minutes before slicing and serving.
Notes
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Fresh dill may be used in place of dried dill (3 times the amount).
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Cheddar or mozzarella can replace parmesan for a different flavor.
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Add cooked chicken or turkey bacon for extra protein.
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This casserole can be served warm or at room temperature.
- Prep Time: 10 minutes
- Cook Time: 25 minutes