Cheesy Corn Casserole is a creamy, comforting side dish made with sweet corn, cheese, butter, and a rich creamy mixture. It’s easy to prepare and makes a delicious addition to Christmas, Thanksgiving, or any family dinner.
Why This Recipe Works
- Creamy and cheesy: Melted cheddar gives the casserole a rich, savory flavor.
- Easy to prepare: Simple ingredients come together quickly.
- Perfect for holidays: It’s an easy side dish that’s great for feeding a crowd.
Ingredients
- 4 cups corn kernels, fresh or frozen
- 1 cup sour cream
- ½ cup mayonnaise
- 1 cup shredded cheddar cheese
- ½ cup shredded mozzarella cheese
- 4 tbsp unsalted butter, melted
- ½ cup milk
- 2 large eggs
- ½ tsp garlic powder
- ½ tsp paprika
- 1 tsp salt
- ½ tsp black pepper
- ½ cup finely chopped onion
- ½ cup breadcrumbs
- 2 tbsp chopped fresh parsley
How to Make Cheesy Corn Casserole
1. Prepare the Oven
Preheat the oven to 375°F (190°C). Grease a 9×13-inch baking dish with butter or cooking spray.
2. Make the Corn Mixture
In a large bowl, combine the corn, sour cream, mayonnaise, melted butter, milk, eggs, garlic powder, paprika, salt, and black pepper. Stir until well combined.
Fold in the chopped onion, cheddar cheese, and mozzarella cheese.
3. Add to the Baking Dish
Pour the mixture into the prepared baking dish and spread it evenly.
Sprinkle the breadcrumbs over the top.
4. Bake
Bake for 30–35 minutes, or until the casserole is hot, bubbling, and lightly golden on top.
5. Add the Finishing Touch
Remove from the oven and let it rest for about 5 minutes. Sprinkle with fresh parsley before serving.
Tips for the Best Cheesy Corn Casserole
- Thaw frozen corn and drain it well before using.
- Shred cheese from a block for the smoothest melt.
- Add diced jalapeños for a little heat.
- Don’t overbake, as the casserole can become dry.
- Let it rest for a few minutes before serving so it sets slightly.
Final Thoughts
This Cheesy Corn Casserole is creamy, cheesy, and full of sweet corn flavor. It’s an easy side dish for Christmas, Thanksgiving, potlucks, and family dinners.

