Cheesy Jalapeño Corn Casserole Recipe for Crowd-Pleasing Flavor

Jalapeno Corn Casserole combines the sweetness of corn and cornbread with a kick of heat from fresh jalapeños and pepper jack, finished with creamy cheese and sour cream. Every bite balances sweet, spicy, and rich flavors, and the dish is straightforward to prepare.

This casserole makes an excellent side—it’s hearty, comforting, and a bit different from the usual offerings. It works well for holidays and pairs nicely with roasted or braised mains, pork chops, or other comforting casseroles.

Baked casserole in a baking dish with one serving removed.  One serving on a white plate.  Wooden spoon resting on top of the casserole.
Pepper Jack cheese and jalapeno peppers inside the casserole and on top — double the flavor.

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Why You’ll Love Corn Casserole with Jalapenos!

  • Simple 3-step method with minimal prep.
  • Sweet, spicy, and cheesy—classic comfort food.
  • Adjustable heat level to suit your family or guests.
  • Easy to make ahead, so you can avoid last-minute prep.

Ingredient Notes

Ingredients measured out in individual containers.

Honey butter cornbread mix — a sweet cornbread or corn muffin mix works best for the recipe’s sweet-savory balance. Use your favorite brand.

Corn — a combination of creamed corn (for moisture and sweetness) and whole kernel corn (for texture) creates the ideal consistency.

Sour cream — adds creaminess and prevents the casserole from drying out.

Pepper Jack cheese — buy a block with jalapeño bits if possible and shred it yourself for the best melt and flavor.

Fresh jalapeños — chopped jalapeños in the batter and sliced jalapeños on top add layered heat and visual appeal.

Eggs — bind the ingredients and give the casserole a slightly light texture.

Substitutions

This recipe is delicious as written, but here are common substitutions that work well:

  • Shredded cheddar (mild or sharp) instead of pepper jack.
  • Canned whole kernel corn or mexicorn (15.25 oz, drained) instead of frozen corn.
  • Cream cheese in place of sour cream for extra richness.
  • Sliced jarred jalapeños instead of fresh jalapeños.
  • Regular (non-sweet) cornbread mix instead of a honey butter mix.

What Kind of Corn to Use

This casserole was tested with canned cream-style corn and frozen whole kernel corn. If you prefer fresh corn, use the same volume as the frozen corn called for and cut the kernels from the cobs.

How to Make Jalapeno Corn Casserole

(1) Combine melted butter, cream-style corn, frozen corn, cornbread mix, eggs, sour cream, 1 cup shredded cheese, black pepper, and chopped jalapeños in a large bowl and mix until evenly incorporated.

Batter mixed up in stainless steel bowl.

(2) Spread the batter into a prepared 9″x13″ pan. Sprinkle the remaining shredded cheese on top and arrange jalapeño slices over the cheese.

Batter spread into a 9-inch by 13-inch pan. Then sprinkled with shredded pepper jack cheese and fresh jalapeno slices.

(3) Bake at 350°F for 30–45 minutes, until the edges are golden and the center is mostly set. Let rest 5 minutes before serving.

Gold brown baked casserole still in the pan.

Recipe Tips

Because oven temperatures vary, begin checking for doneness at 30 minutes. The edges should be golden and the center mostly set; if needed, bake in 5-minute increments until done. Avoid overbaking for the creamiest texture.

Shred a block of pepper jack yourself for better melt and flavor compared with pre-shredded cheese.

Easy Meal Planning

This jalapeño corn casserole complements hearty mains like meatloaf or pork chops. It also pairs well with roasted poultry or other rich side dishes, providing a sweet-and-spicy contrast.

Storing and Reheating

Store leftovers in an airtight container in the refrigerator for up to 3 days. Reheat portions in the microwave until heated through, or warm in a 350°F oven covered with foil until hot.

Frequently Asked Questions

Can Jalapeno Corn Casserole be Made in the Slow Cooker?

Yes. Brush or pour melted butter into the bottom of the slow cooker. Mix the batter as directed, pour it into the slow cooker, top with remaining cheese and jalapeño slices, cover, and cook on high for about 2½–3 hours, or until set.

Can you freeze the leftovers?

Yes. This casserole freezes well. Place cooled portions in an airtight container or double-bag in freezer bags, remove excess air, label with the date, and use within three months. Thaw in the refrigerator before reheating.

What’s the texture supposed to be like?

The finished casserole should be soft and creamy with enough structure to hold a serving—softer than traditional cornbread but firm enough to slice or spoon out neatly.

More Holiday Side Dishes

  • Cheesy Green Bean Casserole
  • Easy and Delicious Spinach Parmesan Casserole
  • Smothered Cabbage
  • Southern Cornbread Dressing

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Recipe

Baked casserole in a baking dish with one serving removed. One serving on a white plate. Wooden spoon resting on top of the casserole.

Jalapeno Corn Casserole

Sweet corn and cornbread mix, spicy jalapeños and pepper jack, and creamy cheese and sour cream combine to make a soft, flavorful casserole that holds together well after baking.
5 from 1 vote

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Course: Casserole, Side Dish
Cuisine: American
Prep Time: 15
Cook Time: 45
Total Time: 1
Servings: 10
Calories: 391kcal
Author: Anne Clark

Equipment

  • 9″x13″ pan
  • Measuring cup(s)
  • Measuring spoons
  • Mixing bowl

Ingredients

  • 4 tablespoon unsalted butter, melted
  • 14.75 oz can of cream style corn
  • 10 oz frozen whole kernel corn
  • 1 ½ cups honey butter cornbread mix or corn muffin mix
  • 2 eggs
  • 8 oz full fat sour cream
  • 8 oz block of pepper jack cheese, shredded
  • ½ teaspoon black pepper
  • 3 tablespoon deseeded and chopped jalapeno peppers
  • 2 sliced jalapenos with seeds

Instructions

  • Preheat oven to 350°F. Spray a 9″x13″ pan with non-stick spray.
  • In a large bowl, combine melted butter, cream-style corn, frozen corn, cornbread mix, eggs, sour cream, 1 cup shredded cheese, black pepper, and chopped jalapeños. Mix until well combined.
  • Pour the batter into the prepared pan and spread evenly. Sprinkle the remaining cheese over the top and arrange the sliced jalapeños on the cheese.
  • Bake for 30–45 minutes. Check at 30 minutes; the edges should be golden and the center mostly set. If needed, bake an additional 5–15 minutes in short increments. Let rest 5 minutes before serving.

Notes

This recipe was tested using a honey butter cornbread mix, but Krusteaz, Jiffy, or similar mixes work fine as substitutes.

It pairs well with roasted or braised mains and other classic side dishes.

Common substitutions include shredded cheddar for pepper jack, canned whole kernel corn for frozen corn, cream cheese for sour cream, jarred jalapeños for fresh, or a regular (non-sweet) cornbread mix.

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Nutrition

Calories: 391kcal | Carbohydrates: 41g | Protein: 11g

Nutritional information is provided as a courtesy and may vary by brands or ingredient choices. Use a nutrition calculator if you need precise values for your specific ingredients.