Description
This easy corn casserole is one of my favorite ideas for a holiday dinner or potluck. It’s a quick and simple dish to mix up before the oven does the work. Sweet corn and rich sour cream give each bite a soft, buttery center with lightly golden edges. What makes this version different is the gentle folding method and a full 10-minute rest, which help it hold together without turning dry. It’s one of the best sides for Thanksgiving Search focus: corn casserole with jiffy mix.
Ingredients
- 1 box (8.5 ounces) Jiffy Corn Muffin Mix (Use the original dry corn muffin mix to give the casserole its sweet cornbread flavor and tender structure.)
- 1 can (15.25 ounces) Canned sweet whole kernel corn (Drain thoroughly for 2 minutes before mixing to add sweet corn kernels without excess liquid.)
- 1 can (14.75 ounces) Canned cream-style sweet corn (Use the entire can with its creamy liquid to keep the center soft and moist.)
- 1 cup (8 ounces) Full-fat sour cream (Adds richness and gentle tang while keeping the baked corn mixture moist.)
- 1/2 cup (8 tablespoons) Unsalted butter (Melt and cool for 3 to 5 minutes before mixing to add buttery flavor without warming the eggs too much.)
- 2 large Large eggs (Whisk until smooth to help the casserole hold together while keeping the center tender.)
- 1 teaspoon Unsalted butter for greasing (Melt separately and spread over the baking dish to help prevent sticking.)
Instructions
- Start by heating your oven to 350°F and greasing an 8×8-inch baking dish with 1 teaspoon of melted unsalted butter. Melt the remaining 1/2 cup of unsalted butter and let it cool for 3 to 5 minutes. Meanwhile, crack 2 large eggs into a large mixing bowl and whisk for 30 seconds until the yolks and whites blend. Add 1 cup of full-fat sour cream and pour in the warm butter. Whisk in broad circles for 45 to 60 seconds and scrape down the sides halfway through. You want a smooth mixture with no large white streaks. Next, check the texture. It should look pale yellow and creamy with small bubbles across the top. If the butter feels hot enough to cook the eggs then it’s too warm. This quick cooling step matters. Warm butter blends smoothly without setting the egg proteins too soon.
- Drain one 15.25-ounce can of sweet whole kernel corn for 2 minutes so no loose packing liquid goes into the batter. Add the drained kernels and one 14.75-ounce can of cream-style sweet corn to the egg mixture. Don’t drain the cream-style corn. Stir with a rubber spatula for about 30 seconds until the kernels spread through the creamy base. Then add one 8.5-ounce box of Jiffy Corn Muffin Mix. Fold from the bottom up for 45 to 60 seconds until the dry patches fade. Stop when the mixture looks thick and a little lumpy. You’ll see bright yellow kernels in a pale golden batter with small soft lumps. That’s what you want. But if you beat it for several minutes then the crumb can turn tough. A short fold keeps the batter tender because it limits gluten development.
- Pour all the thick corn batter into your prepared 8×8-inch baking dish. Use a rubber spatula to scrape the bowl so the corn kernels and creamy batter move together. Then push the mixture gently toward each corner with two or three broad strokes. Keep the layer close to the same depth across the dish but don’t press it flat. The batter should spread into a thick square with a few loose ridges. This takes about 2 minutes. Keep your oven at 350°F while you finish this step. Now look across the top. The surface should be moist with whole corn kernels spread at uneven gaps. A few ridges are fine. Don’t pack the batter down because it needs space to rise as it heats.
- Set the filled dish on the middle rack of your 350°F oven. Bake for 45 to 55 minutes and start checking near minute 45. The batter will rise gently as the eggs set and the muffin mix firms around the sweet corn. Look for a light golden crust with darker amber patches near the edges. Gently nudge the dish to check the center. It should move just a little rather than ripple like raw batter. If the middle still looks wet then bake for another 5 minutes and check again. The kitchen should smell like warm cornbread and sweet corn. You’ll also notice tiny cracks near the browned edges. (I prefer the full rest after baking because cutting too soon can leave the center loose.) Don’t push the bake far past the set point or the edges may dry out. Gentle heat sets the center before the crust gets too dark.
- Take the casserole out of the 350°F oven and leave it in its baking dish for 10 minutes. Don’t cut it straight away. During this short rest the soft middle firms up enough to hold a serving without losing its tender texture. Then cut the casserole into 9 squares using a straight downward motion. Lift one portion from the front corner and place it on a white serving plate. Let the piece settle naturally so the cut sides show the soft corn-filled center. The crust should remain on top. You’ll see a golden top above a pale yellow crumb with plenty of whole kernels. A few soft bits may break away along the sides. That’s normal. Serve while warm. Resting helps the starch and egg structure hold each slice together.
Notes
Pro Tips:
- Drain the 15.25-ounce can of whole kernel corn for 2 full minutes because extra liquid can leave the middle too loose.
- Let the melted butter cool for 3 to 5 minutes before adding it to the eggs so it blends smoothly without forming small cooked bits.
- Use the original 8.5-ounce Jiffy Corn Muffin Mix box because a larger package changes the ratio of cornmeal to wet ingredients.
- Choose an 8×8-inch baking dish with sides at least 2 inches high so the casserole can rise without spilling over the edges.
- Start checking the center at minute 45 and look for a gentle wobble rather than wet batter before removing the dish from the oven.
- If you’re preparing Thanksgiving dinner, measure the ingredients up to 1 day ahead but keep the dry mix separate until you’re ready to bake.
- For a little extra flavor, sprinkle 1/4 teaspoon of smoked paprika over the batter before baking to give the sweet corn a subtle smoky finish.
- Use a broad serving spatula after the 10-minute rest so each golden square keeps its soft center instead of breaking apart during serving.
Storage: Let leftover Corn Casserole with Jiffy Mix cool slightly and refrigerate it within 2 hours of baking. Transfer portions to an airtight container and keep them in the refrigerator for up to 4 days at 40°F or below. If you want to freeze leftovers, wrap each square tightly and place it in a freezer-safe container for up to 2 months. Thaw overnight in the fridge for the best texture. To reheat, cover the portions loosely with foil and warm them at 325°F for 15 to 25 minutes until the center reaches 165°F. Add 1 teaspoon of melted butter over each portion if the top seems dry. Discard leftovers that develop mold, unusual odors or a slimy surface. Don’t taste food to check whether it’s safe.
- Prep Time: 15 minutes
- Cook Time: 55 minutes
- Category: Dinner
- Cuisine: American
Nutrition
- Serving Size: 1 serving