Creamy Cheddar Corn Casserole Recipe for Comforting Sides

If you love corn, this Cheesy Corn Casserole is sure to become a favorite side. Melty cheddar, buttery soda crackers, and the sweet-and-savory corn combination make it a comforting, crowd-pleasing dish for holidays, family dinners, or any time you want a warm, flavorful side.

Cheesy corn casserole in a pan.

This casserole balances a touch of sugar and butter with plenty of corn and cheese. It’s lovely served with a sprinkling of fresh basil for brightness.

Why You’ll Love It

  • Simple to make: Mix, pour, and bake—great for busy days.
  • Versatile: Pairs well with turkey, ham, chicken, and many mains. The corn-cheese-cracker trio elevates any plate.
  • Comforting classic: Creamy, cheesy, and satisfying—an ideal cozy side dish.

Ingredients

Printable recipe measurements and instructions are in the recipe card below.

  • Eggs: Use large eggs to help the casserole set.
  • Milk: Dairy milk gives a creamy texture; you can try unsweetened dairy‑free milk if needed.
  • Butter: Salted or unsalted is fine—don’t skip it for flavor.
  • Sugar: A tablespoon of granulated sugar balances the savory elements; substitute another sweetener if desired.
  • Onion: A chopped sweet onion adds mild, savory sweetness; yellow or white both work.
  • Salt & pepper: Basic seasoning to taste.
  • Corn: Fresh, frozen, or canned corn all work—choose what’s convenient.
  • Cheddar cheese: Shredded cheddar provides rich, melty flavor.
  • Basil: Fresh basil brightens the dish; dried herbs work in a pinch.
  • Soda crackers: Crushed soda crackers give a buttery, crunchy topping.
Ingredients on a marble counter.

How to Make Cheesy Corn Casserole

Follow these easy steps to prepare the casserole.

  • Preheat: Heat the oven to 325°F. Grease a 9×13-inch casserole dish.
  • Mix: In a bowl whisk together eggs, milk, melted butter, sugar, chopped onion, basil, salt, and pepper. Stir in the corn, ½ cup shredded cheddar, and ½ cup crushed soda crackers.
  • Assemble: Pour the mixture into the prepared dish. Top with the remaining ½ cup crushed crackers and ½ cup cheese.
  • Bake: Bake uncovered for about 55 minutes, until set and golden. Serve hot.
Collage of mixing the ingredients in a bowl.

What to Serve With This Recipe

  • Roasted meats like turkey, ham, or chicken
  • Mashed or roasted potatoes
  • Green vegetable sides such as Brussels sprouts or green beans
  • Other classic holiday or weeknight sides

Variations and Substitutions

  • Different cheeses: Try pepper jack, mozzarella, or Gouda for a new flavor profile.
  • Herb swaps: Use thyme, oregano, or parsley if you don’t have basil.
  • Topping alternatives: Substitute crushed Ritz crackers, panko, or cornflakes for a different crunch.
  • Add heat: A pinch of cayenne, smoked paprika, or a few dashes of hot sauce adds a kick.
  • Different corn: Use roasted, grilled, or Mexican-style street corn for more depth.
The recipe in a pan with a serving spoon.

Storage Instructions

  • Refrigerate: Store leftovers in an airtight container for up to 3 days.
  • Freeze: Assemble the casserole but freeze before baking for up to 3 months; thaw in the refrigerator before baking.
  • Make-ahead: Mix and pour into the dish, cover, and refrigerate until ready to bake.

Tips and Tricks

  • Best corn: Fresh is ideal in season, but frozen, canned, or cream-style corn all produce good results.
  • Sauté onion: Sauté the chopped onion briefly in butter for sweeter, milder onion flavor.
  • Extra cheese: Add another layer of cheese in the middle for a gooey center.
  • Topping technique: Spread the crushed crackers evenly and press lightly for a uniform crunchy crust.
The recipe in a pan with a serving spoon.

Slow Cooker Instructions

You can adapt this recipe for a slow cooker:

  1. Combine eggs, milk, melted butter, sugar, chopped onion, basil, salt, and pepper in a bowl. Stir in corn, ½ cup cheese, and ½ cup crushed soda crackers.
  2. Grease the slow cooker and pour in the mixture. Top with the remaining crackers and cheese.
  3. Cook on low for 3–4 hours, until the casserole is set.

Add-Ins

Customize the casserole with these additions:

  • Bacon
  • Jalapeños
  • Bell peppers
  • Green onions or chives
  • Diced tomatoes
  • Hot sauce or cayenne
  • Fresh herbs like thyme or parsley
  • Cream cheese for extra richness
A piece of casserole on a plate with a fork.

Other Vegetable Casseroles

  • Carrot casseroles
  • Mashed potato casseroles
  • Green bean or broccoli casseroles
  • Sweet potato casseroles
The recipe in a white casserole dish with a serving spoon.

Cheesy Corn Casserole

A comforting casserole loaded with sweet corn, cheese and a crunchy soda cracker topping.

Ingredients

  • 3 large eggs
  • 1 cup milk
  • 3 tbsp salted butter, melted
  • 1 tbsp sugar
  • 1 sweet onion, chopped
  • pinch salt and pepper
  • 4 cups corn
  • 1 cup salted soda crackers, crushed, divided
  • 1 cup shredded cheddar cheese, divided
  • ½ tsp basil, plus extra for garnish

Instructions

  • Preheat oven to 325°F. Grease a 9×13-inch casserole dish.
  • Whisk eggs, milk, melted butter, sugar, chopped onion, basil, salt, and pepper in a bowl. Stir in the corn, ½ cup cheese, and ½ cup crushed crackers.
  • Pour into the prepared dish. Sprinkle with the remaining ½ cup crushed crackers and ½ cup cheese.
  • Bake uncovered for about 55 minutes, until set and golden. Serve hot.

Nutrition

Serving: 1 bowl
|
Calories: 518 kcal

Nutrition information is an estimate from an online calculator and not a substitute for professional advice.