5-Ingredient Crockpot Corn Casserole: The Easiest Holiday Side Tips, FAQ & printable recipe

Tips for success

For the best texture, do not overmix the batter. Stir just until the dry mix is moistened; a few lumps are fine.

Overmixing can develop the gluten in the corn muffin mix, making the casserole tough. Also, make sure your slow cooker is at least 6 quarts so the casserole cooks evenly and does not overflow.

If you want a more pronounced golden top, you can broil the casserole for 2–3 minutes after it finishes cooking.

Just transfer the slow cooker insert to the oven (if it is oven-safe) or scoop the casserole into a baking dish. Watch it closely so it does not burn. This step is optional but adds a nice crunch.

Variations

• Cheesy Corn Casserole: Stir in 1 cup shredded cheddar cheese along with the other ingredients. The cheese melts into the batter, adding richness and a savory depth. Sprinkle extra cheese on top during the last 30 minutes of cooking for a golden, bubbly crust.
• Spicy Mexican Corn Casserole: Add 1 can (4 oz) diced green chiles and 1/2 teaspoon chili powder to the batter. For extra heat, include a minced jalapeño. Serve with a dollop of sour cream and chopped cilantro for a Southwestern twist.
• Bacon and Chive Corn Casserole: Fold in 1/2 cup cooked, crumbled bacon and 2 tablespoons chopped fresh chives before cooking. The smoky bacon flavor pairs perfectly with the sweet corn. Garnish with extra chives and a drizzle of maple syrup, if desired.
• Herbed Corn Casserole: Add 1 teaspoon dried thyme and 1/2 teaspoon dried rosemary to the batter. The herbs infuse the casserole with earthy, aromatic notes that complement roasted meats. Fresh herbs, such as parsley or sage, can also be stirred in before serving.

Storage and make-ahead

Fridge

Store leftovers in an airtight container in the refrigerator for up to 4 days. Reheat in the microwave or oven until warmed through.

Freezer

Freeze the baked casserole for up to 3 months. Wrap tightly in plastic wrap and foil. Thaw overnight in the refrigerator before reheating.

Reheat

Reheat frozen or refrigerated casserole in a 350°F (175°C) oven for 15–20 minutes, or microwave individual portions for 1–2 minutes.

Leftover corn casserole can be stored in an airtight container in the refrigerator for up to 4 days. To reheat, microwave individual portions for 1–2 minutes or warm in a 350°F (175°C) oven for 10 minutes.

The texture will remain moist and tender. If the casserole seems dry after reheating, add a small pat of butter on top before warming.

This casserole can be assembled up to 24 hours in advance. Combine all the ingredients in the slow cooker insert, cover, and refrigerate. When ready to cook, place the insert in the slow cooker and cook on high for 2 1/2 to 3 hours.

You may need to add 15–20 minutes to the cooking time because the batter starts cold. The casserole is best served fresh, but leftovers are excellent.

Serving ideas

Serve this corn casserole as a side dish for Thanksgiving, Christmas, or any holiday meal. It pairs beautifully with roasted turkey, ham, or prime rib. The creamy, buttery texture also complements grilled meats, barbecue, or fried chicken. For a casual dinner, serve it alongside chili or stew.

For a pretty presentation, scoop the casserole onto a platter and garnish with fresh parsley or chives. The salted honey butter is a must-try—it adds a sweet-salty finish that elevates the dish. You can also serve the casserole directly from the slow cooker for a buffet-style gathering.

Frequently asked questions

Recipe card

5-Ingredient Crockpot Corn Casserole: The Easiest Holiday Side

Prep 10 minCook 2 h 30 minTotal 2 h 40 minServes 8

Ingredients

• 1 box Jiffy corn muffin mix
• 1 can (15 oz) sweet whole-kernel corn, drained
• 1 can (14.75 oz) creamed corn
• 1 cup sour cream
• 1/2 cup unsalted butter, melted (1 stick)
• salted honey butter, for serving

Instructions

1. In the bowl of a 6-quart slow cooker, add the Jiffy corn muffin mix, drained whole-kernel corn, creamed corn, sour cream, and melted butter. Stir with a spatula until everything is evenly combined and no dry pockets of mix remain. The batter will be thick and slightly lumpy.
2. Smooth the top of the batter with the spatula so it cooks evenly. Make sure the mixture reaches the edges of the slow cooker insert, leaving no thick spots in the center.
3. Cover the slow cooker with the glass lid and set it to HIGH. Cook for 2 1/2 hours without lifting the lid, so the heat stays steady and the casserole can puff and set.
4. After 2 1/2 hours, insert a knife or toothpick into the center of the casserole. It should come out clean or with just a few moist crumbs, and the internal temperature should reach 160°F (71°C) to ensure the eggs are fully set.
5. Turn off the slow cooker. Scoop the casserole onto a serving platter or directly onto plates. Top each portion with a pat of salted honey butter, letting it melt into the warm casserole before serving.

Contains: gluten, eggs, milk

Estimated nutrition per serving

Calories

320

Protein

5 g

Carbohydrates

38 g

Fat

17 g

Automatic estimate from the ingredient list, not laboratory-verified.