Introduction

Few things bring more comfort to the table than a warm, bubbly casserole straight from the oven. This Oven Baked Cheesy Corn and Spinach Casserole combines creamy layers of sweet corn, fresh spinach, and melty cheese, all finished with a golden breadcrumb topping. It’s hearty enough to stand alone yet versatile as a side dish for any main course.

This easy casserole recipe is perfect for busy weeknights, potlucks, or holiday spreads. With simple ingredients and minimal prep, it transforms everyday vegetables into a dish that feels indulgent yet balanced. The sweet corn adds a burst of natural flavor while the spinach provides a wholesome touch, making it a family-friendly comfort food favorite.

Whether you’re searching for an easy dinner recipe, a make-ahead side dish, or something that pairs beautifully with roasted meats or poultry, this casserole will quickly earn a spot in your recipe collection. Creamy, cheesy, and satisfying in every bite, it’s proof that simple ingredients can create extraordinary results.

 

 

What You Need

Vegetables

• Sweet corn kernels – 2 cups
• Fresh spinach, chopped – 2 cups
• Onion, finely diced – 1
• Garlic, minced – 2 cloves

Cheese & Cream

• Cheddar cheese, grated – 1 cup
• Mozzarella cheese, grated – 1 cup
• Heavy cream – 1 cup

Topping & Flavor

• Breadcrumbs – ½ cup
• Butter – 2 tablespoons
• Salt and pepper – To taste

 

 

How to Make Oven Baked Cheesy Corn and Spinach Casserole

1. Prep Oven & Dish – Preheat oven to 375°F (190°C). Grease a medium baking dish with butter.
2. Sauté Vegetables – In a skillet, melt butter over medium heat. Cook onion and garlic until fragrant. Add spinach and cook until wilted. Stir in corn and sauté for 2–3 minutes.
3. Mix Cheese Sauce – In a bowl, combine cheddar, mozzarella, and heavy cream. Season with salt and pepper.
4. Layer Casserole – Spread half of the vegetable mixture in the baking dish, pour over half of the cheese sauce, then repeat.
5. Add Topping & Bake – Sprinkle breadcrumbs on top. Cover with foil and bake 20 minutes. Remove foil and bake 10–15 minutes more, until golden and bubbly.
6. Serve & Enjoy – Let cool slightly before serving.

 

 

Why You’ll Love This

• Family-Friendly Comfort Food – Creamy, cheesy, and loaded with veggies.
• Easy Dinner Recipe – Perfect for weeknights with minimal prep.
• Versatile Side Dish – Great with roasted chicken, beef, or fish.
• Holiday-Ready – A beautiful addition to Thanksgiving, Christmas, or Easter tables.

 

Tips

• Use frozen corn if fresh isn’t available—just thaw and drain well.
• For extra crunch, mix Parmesan cheese into the breadcrumbs.
• Add a pinch of nutmeg to the cream for a subtle flavor boost.

 

Variations

• Spicy Twist – Add diced jalapeños or crushed red pepper flakes.
• Protein Boost – Mix in cooked chicken or bacon bits.
• Lighter Version – Swap heavy cream for half-and-half or Greek yogurt.

 

 

FAQs

1. Can I use frozen spinach? Yes, thaw and squeeze out excess water first.
2. Can I make it ahead of time? Assemble and refrigerate for up to 24 hours before baking.
3. Can I freeze leftovers? Yes, freeze portions in airtight containers for up to 2 months.
4. What cheese works best? Cheddar and mozzarella melt beautifully, but Monterey Jack or Gruyère are great too.
5. Can I skip the breadcrumbs? Yes, or replace with crushed crackers for a crunchy topping.
6. Is it vegetarian-friendly? Absolutely! Just be sure to use vegetarian-friendly cheese.
7. How do I reheat it? Warm in the oven at 350°F until heated through.
8. Can I double the recipe? Yes, bake in a larger dish and extend cooking time slightly.
9. Does it work in a slow cooker? Yes, cook on low for 3–4 hours without the breadcrumb topping.
10. What can I serve it with? Roast chicken, grilled steak, baked salmon, or even as a vegetarian main dish.

 

 

Health Benefits

• Spinach is rich in iron, vitamins A and C, and antioxidants.
• Corn provides fiber and natural sweetness.
• Cheese adds calcium and protein for a satisfying, nourishing dish.

 

How to Serve

Serve as a hearty side with roasted meats, holiday meals, or alongside a simple salad for a lighter dinner.

 

 

Make Ahead & Storage

• Make Ahead: Assemble casserole up to 1 day in advance, refrigerate, then bake when ready.
• Storage: Refrigerate leftovers in an airtight container for up to 3 days.
• Freezer-Friendly: Wrap tightly and freeze for up to 2 months. Reheat in oven.

 

Conclusion

This Oven Baked Cheesy Corn and Spinach Casserole brings comfort, flavor, and simplicity to the dinner table. With creamy layers of vegetables, a rich cheese sauce, and a golden crust, it’s everything you want in a cozy side dish. Perfect for family dinners, potlucks, or special occasions, this easy recipe is sure to become a staple in your home.