“Looking for a delicious and easy Zucchini Casserole recipe? This Cheesy Zucchini Casserole combines fresh zucchini, creamy sour cream, and melted Colby Jack cheese for a savory, comforting dish. Perfect for a quick vegetarian dinner or a tasty side dish, this casserole is made with simple ingredients like cooked rice, eggs, and seasonings. Whether you’re looking to use up zucchini from your garden or need a family-friendly meal, this cheesy zucchini recipe is sure to become a favorite. Bake in just 40 minutes for a dish that’s as easy as it is delicious!”

Ingredients
- 3 lbs green zucchini (approximately 6 medium-sized zucchinis)
- 1 1/2 tsp salt, divided (1 tsp for sprinkling and 1/2 tsp for the casserole)
- 2 cups cooked white rice
- 1 cup sour cream (divided into 2/3 and 1/3)
- 1/2 tsp baking powder
- 4 large eggs
- 1/2 tsp Mrs. Dash seasoning (or any preferred salt-free seasoning)
- 8 oz Colby Jack cheese (about 3 cups shredded) or use Mexican cheese
- 1/2 cup chopped chives, plus extra for garnish
Instructions
- Preheat the oven to 400°F and butter a 9×13-inch casserole dish.
- Grate the zucchini using the large holes of a grater or the grating attachment on a food processor. Place the grated zucchini in a colander over the sink, sprinkle with 1 tsp of salt, and let it sit for 10 minutes. Stir the zucchini a couple of times during this time. Afterward, squeeze out excess moisture using your hands and transfer the drained zucchini to a large mixing bowl.
- In a separate bowl, mix 2/3 cup of sour cream with 1/2 tsp of baking powder and set aside for 8-10 minutes while the zucchini drains.
- To the bowl with the drained zucchini, add the eggs and the sour cream mixture. Stir until well combined.
- Stir in the cooked rice, 2 cups of shredded cheese, 1/2 cup of chopped chives, 1/2 tsp of salt, and the Mrs. Dash seasoning.
- Pour the mixture into the buttered casserole dish and spread 1/3 cup of sour cream evenly over the top. Sprinkle the remaining 1 cup of shredded cheese over the casserole.
- Bake uncovered for 40 minutes at 400°F until the casserole is set and golden on top. Let stand for 10 minutes before serving.
Tips
- Drain Zucchini Well: Squeezing out the excess moisture from the zucchini is crucial to prevent the casserole from becoming watery.
- Cooked Rice: You can use leftover rice for convenience or prepare fresh rice. Any variety of white rice works well for this recipe.
- Cheese: Feel free to use a combination of cheeses for added flavor, such as mozzarella or cheddar.
- Make Ahead: This casserole can be prepared ahead of time. Assemble it and store it in the fridge for up to a day before baking.
Variations and Substitutions
- Zucchini Alternatives: If zucchini is not available, you can substitute it with yellow squash.
- Rice: Use brown rice for a heartier option or try quinoa for a different flavor.
- Dairy-Free Option: For a dairy-free version, substitute the sour cream with a dairy-free yogurt and use a dairy-free cheese.
- Egg-Free: To make this casserole egg-free, you can try using a flax or chia egg substitute.
FAQs
-
Can I use frozen zucchini?
It’s better to use fresh zucchini for this casserole since frozen zucchini contains more moisture, which may affect the texture. -
Can I freeze the casserole?
Yes, you can freeze the casserole before baking. Assemble it in a baking dish, cover tightly, and freeze for up to 3 months. When ready to bake, thaw in the refrigerator overnight and bake as directed. -
What can I serve with this casserole?
This casserole makes a great side dish for grilled meats or roasted chicken. It can also be served as a vegetarian main course with a fresh salad.
Serving Suggestions
- Pair this casserole with a green salad or roasted vegetables for a complete meal.
- Serve alongside grilled chicken or beef for a hearty dinner.
- Top with extra chopped chives or a sprinkle of Parmesan cheese for added flavor.
Why You’ll Love This Recipe
This Cheesy Zucchini Casserole is the perfect way to enjoy zucchini in a rich, comforting dish. Packed with cheese, sour cream, and a touch of seasoning, it’s a crowd-pleaser that’s both flavorful and filling. The combination of creamy texture and savory flavors makes it a great choice for a family dinner, a potluck, or a cozy weekend meal!
Cheesy Zucchini Casserole Recipe
8
servings20
minutes40
minutesIngredients
-
3 lbs green zucchini (approximately 6 medium-sized zucchinis)
-
1 1/2 tsp salt, divided (1 tsp for sprinkling and 1/2 tsp for the casserole)
-
2 cups cooked white rice
-
1 cup sour cream (divided into 2/3 and 1/3)
-
1/2 tsp baking powder
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4 large eggs
-
1/2 tsp Mrs. Dash seasoning (or any preferred salt-free seasoning)
-
8 oz Colby Jack cheese (about 3 cups shredded) or use Mexican cheese
-
1/2 cup chopped chives, plus extra for garnish
Directions
- Preheat the oven to 400°F and butter a 9×13-inch casserole dish.
- Grate the zucchini using the large holes of a grater or the grating attachment on a food processor. Place the grated zucchini in a colander over the sink, sprinkle with 1 tsp of salt, and let it sit for 10 minutes. Stir the zucchini a couple of times during this time. Afterward, squeeze out excess moisture using your hands and transfer the drained zucchini to a large mixing bowl.
- In a separate bowl, mix 2/3 cup of sour cream with 1/2 tsp of baking powder and set aside for 8-10 minutes while the zucchini drains.
- To the bowl with the drained zucchini, add the eggs and the sour cream mixture. Stir until well combined.
- Stir in the cooked rice, 2 cups of shredded cheese, 1/2 cup of chopped chives, 1/2 tsp of salt, and the Mrs. Dash seasoning.
- Pour the mixture into the buttered casserole dish and spread 1/3 cup of sour cream evenly over the top. Sprinkle the remaining 1 cup of shredded cheese over the casserole.
- Bake uncovered for 40 minutes at 400°F until the casserole is set and golden on top. Let stand for 10 minutes before serving.







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