Slow Cooker Corn Casserole Recipe
Introduction
This Slow Cooker Corn Casserole is a creamy, comforting dish perfect for any gathering or weeknight meal. Combining sweet corn with a touch of spice and a tender muffin mix base, it’s simple to prepare and sure to please a crowd.

Ingredients
- 2 (8.5 oz) boxes corn muffin mix
- 2 (14.75 oz) cans cream-style sweet corn
- 2 (15 oz) cans whole kernel sweet corn, drained
- 1/3 cup butter, melted
- 2 eggs, beaten
- 1 cup milk
- 2 jalapenos, seeded and chopped
- 1/4 cup brown sugar
- 1 cup sour cream
Instructions
- Step 1: In a large mixing bowl, combine the corn muffin mix, cream-style sweet corn, drained whole kernel corn, melted butter, beaten eggs, milk, chopped jalapenos, brown sugar, and sour cream. Mix well until all ingredients are fully incorporated.
- Step 2: Spray a 4-quart casserole crockpot with nonstick cooking spray to prevent sticking.
- Step 3: Transfer the batter to the prepared slow cooker, smoothing the top evenly.
- Step 4: Cover and cook on high for 3 hours or on low for 6 hours, until the casserole is set and lightly golden on top.
- Step 5: Serve warm, garnished with chopped onions if desired for an extra burst of flavor and crunch.
Tips & Variations
- For a milder version, reduce the jalapenos or omit them entirely.
- Adding shredded cheddar or pepper jack cheese before cooking adds a delicious cheesy layer.
- To add more texture, sprinkle crushed crackers or breadcrumbs on top during the last 30 minutes of cooking.
Storage
Store leftovers in an airtight container in the refrigerator for up to 3 days. Reheat individual portions in the microwave or warm the casserole in a covered dish at 350°F until heated through.
How to Serve

Serve this delicious recipe with your favorite sides.
FAQs
Can I prepare this casserole ahead of time?
Yes, you can mix the ingredients and refrigerate the batter overnight, then cook it in the slow cooker the next day.
Can I use fresh corn instead of canned?
Fresh corn can be used but will add extra moisture. Drain well and consider reducing the milk slightly to keep the consistency right.
Print
Slow Cooker Corn Casserole Recipe
- Total Time: 3 hours 15 minutes
- Yield: 6 servings 1x
Description
This Slow Cooker Corn Casserole is a creamy, slightly sweet Southern comfort dish featuring sweet corn, jalapenos, and a hint of brown sugar, all baked to perfection in a slow cooker for an effortless meal or side dish. With a moist and tender texture, it’s perfect for potlucks, family dinners, or holidays.
Ingredients
Dry Ingredients
- 2 (8.5 oz) boxes of corn muffin mix
- 1/4 cup brown sugar
Wet Ingredients
- 2 (14.75 oz) cans cream-style sweet corn
- 2 (15 oz) cans whole kernel sweet corn, drained
- 1/3 cup butter, melted
- 2 eggs, beaten
- 1 cup milk
- 1 cup sour cream
Additional Ingredients
- 2 jalapenos, seeded and chopped
Instructions
- Combine Ingredients: In a large mixing bowl, combine the corn muffin mix, cream-style sweet corn, drained whole kernel corn, melted butter, beaten eggs, milk, brown sugar, sour cream, and chopped jalapenos. Mix thoroughly until the batter is well incorporated.
- Prepare Crockpot: Spray a 4-quart slow cooker insert generously with nonstick cooking spray to prevent sticking and make cleanup easier.
- Transfer Batter: Pour the mixed batter into the prepared slow cooker, spreading it evenly to ensure uniform cooking.
- Cook: Cover the slow cooker and cook on high heat for 3 hours or alternatively on low heat for 6 hours. The casserole should be set and golden on top, with the center cooked through.
- Serve: Once cooked, garnish the casserole with chopped onions or preferred toppings and serve warm as a delicious side or main dish.
Notes
- Ensure the slow cooker insert is well greased to prevent sticking.
- Adjust jalapeno quantity to your preferred spice level.
- This casserole can be prepared the night before and cooked the next day for convenience.
- Use reduced-fat sour cream or milk for a lighter version.
- Leftovers can be refrigerated for up to 3 days and reheated gently.
- Prep Time: 15 minutes
- Cook Time: 3 hours
- Category: Casserole
- Method: Slow Cooking
- Cuisine: Southern American
Keywords: slow cooker corn casserole, corn casserole recipe, slow cooker side dish, southern casserole, creamy corn casserole

