Slow Cooker Corn Casserole is the perfect side. It is one of those dishes that quietly becomes a family favorite because it checks every box: easy, comforting, hands‑off, and universally loved. It’s the kind of recipe that feels special without asking much from you.
If you want more delicious corn recipes try my Sweet Corn Cakes or my Miso Corn.
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Why this Slow Cooker Corn Casserole Recipe is a Keeper
This easy recipe is as delicious as it is simple to make dish. It’s the perfect, minimal effort cornbread casserole dish that everyone will love.
- Set It and Forget It: Requires zero active cooking time once the ingredients are stirred together, slow cooking makes this side. Use a big crock pot, or 2, to double the recipe.
- Oven Space Saver: Perfect as Thanksgiving side dish or for a Christmas holiday meal when the oven is occupied by a turkey or ham.
- Crowd-Pleasing: Double this recipe for large gatherings like thanksgiving or christmas.
- Texture: It’s incredibly moist! It’s described as somewhere between a dense cake and a soufflé, so it’s a great one to try for a pot luck.
- Budget Friendly: Uses simple, shelf-stable canned sweet corn and boxed jiffy mix for this easy side. It is the perfect corn dish for your thanksgiving table.
Why Is the Center of my Jiffy Casserole Still Runny?
Too much liquid in the mix. Extra sour cream, melted butter, or creamed corn can throw off the ratio. Even small changes can make the center looser. Stick to the recipe amounts or reduce liquid slightly next time. Or you lifted the lid too often
Every peek drops the temperature dramatically. This adds 15–20 minutes of extra cook time each time you open the lid.
Pro Tip for Crock Pot Corn Casserole
Use a Paper Towel Trick to Prevent Sogginess: Place a clean kitchen towel or a double layer of paper towels under the slow cooker lid before closing it. This absorbs excess condensation Keeps the top from getting watery
Ingredient Notes for this Holiday Side Dish Recipe
This corn casserole in slow cooker recipe uses only a few simple ingredients. Make this simple recipe for thanksgiving and christmas.
Get the full printable recipe with specific measurements and directions in the recipe card below.
- Corn: You will need both cream-style sweet corn and whole corn kernels. Feel free to use canned unless you want to use fresh corn.
- Jiffy Corn Muffin Mix: Pick up 2 boxes of Jiffy cornbread mix to make this recipe.
- Sour Cream: Add in a cup of sour cream to help add moisture. You could use cream cheese instead if you like.
Variations for Crock Pot Corn Casserole Recipe
Feel free to use different ingredients to substitute or experiment with flavors in this perfect side dish.
- Add Some Heat: Stir in a small can of diced green chiles or 1/4 cup of chopped pickled jalapeños with the canned corn.
- Cheese Swaps: Replace the cheddar with Pepper Jack cheese for a kick, or Gruyère for a sophisticated, nutty flavor.
- Honey Butter: Add 2 tablespoons of honey to the melted butter for a sweeter, “honey cornbread” style finish to the cheesy corn casserole.
- Lower Fat: You can substitute the sour cream with plain Greek yogurt and use a “light” butter substitute, though the texture will be slightly less rich.
Special Equipment for Slow Cooker Corn Pudding
A specific piece of equipment can sometimes make all the difference in a recipe. For this delicious recipe, just a couple of things are helpful to make the casserole.
- 6-Quart Slow Cooker: This is the ideal size for a double batch (as listed in your ingredients).
- Slow Cooker Liner: This recipe contains sugar and shredded cheese, which can scorch on the sides. A liner or a very generous coating of non-stick spray makes cleanup much easier.
How to Make Corn Casserole in Crockpot
This is one of the best, easy-to-make recipes ever. It comes together in 2 steps, and is perfect for any get-together.
Get the full printable recipe with specific measurements and directions in the recipe card below.
- Add Ingredients: In a crock pot, add the cream corn, whole kernel corn, corn bread mix, sour cream, shredded cheddar cheese, butter and All Purpose Seasoning. Mix everything together.
- Cover and Cook: Mix everything together and cover the slow cooker. Cook on high for a couple hours, or until the middle has set.
Prep Ahead Suggestions for this Slow Cooker Recipe
Preparing a recipe ahead of time can be the best way to go. Make the Slow Cooker Corn Casserole recipe in advance to be able to enjoy it whenever you’re ready.
- Dry Mix: You can whisk the corn muffin mix and seasoning together in a baggie for easy prep.
- The “Dump” Prep: You can combine all the ingredients in the slow cooker crock the night before, cover it, and keep it in the fridge.
- Note: You will need to add about 30–60 minutes to the cook time if starting from a cold stone crock.
Alternate Cooking Methods for this Thanksgiving Side
Alternatively, you can turn the slow cooker version into a baked or air fried version.
- Oven Baked: Transfer the mixture to a greased 9×13 baking dish. Bake at 350°F for 45–55 minutes until the top is golden brown and the center is set.
- Air Fryer: For a smaller half-batch, bake in a heat-safe dish at 330°F for 20–25 minutes.
Store Thanksgiving Side Dish and Use Leftovers
- Store: Keep leftover Slow Cooker Corn Casserole in an airtight container in the fridge for up to 4 days.
- Reheat: This casserole reheats beautifully in the microwave in 30-second bursts. To restore the slightly crisp edges, use a toaster oven.
- Use Leftovers: Leftover corn casserole makes a fantastic base for a savory breakfast bowl. Top a scoop of it with a fried egg and hot sauce.
Common Questions About This Crockpot Corn Casserole
Yes, it can work just as well as fresh corn.
Sure, just be sure to use a gluten free cornbread mix and cream corn.
Tips for Making Easy Crock Pot Corn Casserole
- The “Doneness” Shake: Give the slow cooker a gentle nudge. The casserole should jiggle slightly in the very center like Jell-O, but it shouldn’t look like liquid.
- Don’t Over-Stir: Mix Jiffy corn casserole until the dry muffin mix is just incorporated. Over-mixing can lead to a tough, rubbery texture for the Slow Cooker Corn Casserole .
- Melt the Butter First: Ensure your butter is melted but not boiling hot when you add it to the sour cream to prevent curdling.
- Serve Corn Casserole With: Serve with other sides like Strawberry Fluff Salad, Fried Mashed Potato Cakes or Green Beans with Bacon and Onion.
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Slow Cooker Corn Casserole
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Ingredients
- 30.5 ounces Cream style corn, 2, 15.25 ounce cans
- 29.5 ounces Whole sweet corn, 2, 14.75 ounce cans, drained
- 17 ounces Corn muffin mix, 2, 8.5 ounce boxes
- 1 cup Sour cream
- 1 cup Cheddar cheese, shredded
- ½ cup Butter, melted
- 1 teaspoon All Purpose Seasoning
Instructions
- All all the ingredients to the crock of a slow cooker.
- Stir until completely combined.
- Cover and cook on HIGH for 2-3 hours or low for 4-6 hours, or until cooked through and center is set.
Christina’s Notes
- Don’t Overmix the Batter: Stir until just combined. Overmixing makes the casserole dense instead of spoon‑soft and fluffy.
- Use Room‑Temperature Ingredients: Cold sour cream or eggs can cause uneven cooking. Let them warm up slightly so the batter blends smoothly and cooks consistently.
- Know When It’s Done: The center is set but still slightly jiggly. The edges pull away from the sides.
- Scale the recipe: Simply adjust the serving size in the recipe card and the ingredients will update automatically.
- Make your own All Purpose Seasoning: When a recipe calls for All Purpose Seasoning, you can use my homemade All Purpose Seasoning recipe or substitute salt and pepper to taste.
- Meat doneness: I always use a meat thermometer to test for doneness when cooking meat.
- Use unsalted butter: I use unsalted butter so I can control the salt level in the recipe.
- Preheat the oven: Unless otherwise noted, always preheat your oven before baking.
For more helpful information about this recipe, such as variations, substitutions and other pro-tips, check out the blog post.