Cheesy Jalapeño Sweet Corn Muffins

Imperial June 15, 2026June 15, 2026

Quick Recipe Version (TL;DR)

Yield: 12 standard muffins
Prep Time: 15 minutes
Cook Time: 18 minutes
Total Time: 33 minutes

Quick Ingredients

Dry: 1 cup all-purpose flour, 1 cup yellow cornmeal, 2 tablespoons sugar, 1 tablespoon baking powder, 3/4 teaspoon kosher salt, 1/2 teaspoon smoked paprika, 1/4 teaspoon baking soda, 1/4 teaspoon black pepper
Wet: 1 cup buttermilk, 2 large eggs, 1/4 cup unsalted butter melted and cooled, 2 tablespoons neutral oil, 1 tablespoon honey
Mix-ins: 1 cup corn kernels, 1 cup shredded sharp cheddar, 1/2 cup shredded pepper Jack, 2 medium jalapeños finely diced, 2 scallions thinly sliced
For topping: 2 tablespoons shredded cheddar, 12 thin jalapeño slices, 1 tablespoon melted butter, flaky salt optional

Do This

1. Heat oven to 400°F and grease or line a 12-cup muffin pan.
2. Whisk flour, cornmeal, sugar, baking powder, salt, smoked paprika, baking soda, and pepper.
3. In a second bowl, whisk buttermilk, eggs, melted butter, oil, and honey.
4. Fold wet ingredients into dry ingredients just until combined, then fold in corn, cheeses, jalapeños, and scallions.
5. Divide batter among muffin cups, filling each about 3/4 full; top with cheddar and jalapeño slices.
6. Bake for 16 to 19 minutes, until golden and a toothpick comes out clean or with a few moist crumbs.
7. Brush warm tops with melted butter, sprinkle lightly with flaky salt if desired, and cool 5 minutes before serving.

Why You’ll Love This Recipe

Big savory flavor: Sweet corn, sharp cheddar, pepper Jack, scallions, and jalapeños make every bite bold without being overwhelming.
Moist and tender: Buttermilk, melted butter, and a little oil keep the muffins soft with lightly crisp golden edges.
Versatile: Serve them with chili, barbecue, eggs, soup, salads, or enjoy them as a satisfying snack.
Easy to customize: Make them milder, spicier, smokier, or even add bacon depending on what you love.

Grocery List

Produce: 2 medium jalapeños, 2 scallions, 1 cup fresh or frozen corn kernels
Dairy: Buttermilk, sharp cheddar cheese, pepper Jack cheese, unsalted butter, large eggs
Pantry: All-purpose flour, yellow cornmeal, granulated sugar, baking powder, kosher salt, smoked paprika, baking soda, black pepper, neutral oil, honey, flaky salt optional

Full Ingredients

Dry Ingredients

1 cup all-purpose flour, spooned and leveled
1 cup yellow cornmeal, preferably medium grind
2 tablespoons granulated sugar
1 tablespoon baking powder
3/4 teaspoon kosher salt
1/2 teaspoon smoked paprika
1/4 teaspoon baking soda
1/4 teaspoon freshly ground black pepper

Wet Ingredients

1 cup well-shaken buttermilk, at room temperature if possible
2 large eggs, at room temperature if possible
1/4 cup unsalted butter, melted and cooled slightly
2 tablespoons neutral oil, such as avocado, canola, or vegetable oil
1 tablespoon honey

Cheese, Corn, and Jalapeño Mix-Ins

1 cup corn kernels, fresh, frozen and thawed, or well-drained canned corn
1 cup shredded sharp cheddar cheese, about 4 ounces
1/2 cup shredded pepper Jack cheese, about 2 ounces
2 medium jalapeños, finely diced, seeds removed for milder muffins or left in for more heat
2 scallions, thinly sliced

For Topping

2 tablespoons shredded sharp cheddar cheese
12 very thin jalapeño slices
1 tablespoon unsalted butter, melted, for brushing after baking
Flaky salt, optional, for finishing

Cheesy Jalapeño Sweet Corn Muffins – Closeup

Step-by-Step Instructions

Step 1: Prepare the oven and muffin pan

Preheat the oven to 400°F. Position a rack in the center of the oven so the muffins bake evenly. Grease a standard 12-cup muffin pan with butter or nonstick spray, or line it with paper liners. If using liners, lightly mist the liners with nonstick spray to help the cheesy muffins release cleanly.

Step 2: Get the jalapeños, corn, and cheese ready

Finely dice 2 medium jalapeños. For a gentle kick, remove the seeds and pale inner ribs before chopping. For a spicier muffin, leave some or all of the seeds in. Thinly slice a few extra jalapeño rounds for topping if you would like a pretty bakery-style finish. If using frozen corn, thaw it and pat it dry; if using canned corn, drain it very well. Excess moisture can make the muffins heavy.

Step 3: Mix the dry ingredients

In a large mixing bowl, whisk together the all-purpose flour, yellow cornmeal, sugar, baking powder, kosher salt, smoked paprika, baking soda, and black pepper. Whisk for at least 20 seconds so the leavening is evenly distributed. This helps the muffins rise evenly and prevents salty or bitter pockets.

Step 4: Whisk the wet ingredients

In a medium bowl, whisk the buttermilk, eggs, melted butter, neutral oil, and honey until smooth. The melted butter should be warm but not hot; if it is too hot, it can scramble the eggs or create a greasy batter. The oil works alongside the butter to keep the muffins tender even after they cool.

Step 5: Combine the batter gently

Pour the wet mixture into the bowl of dry ingredients. Using a flexible spatula, fold everything together just until the flour streaks are mostly gone. The batter should look thick and a little lumpy, not perfectly smooth. Avoid overmixing, which can make corn muffins tough instead of soft and tender.

Step 6: Fold in the corn, cheese, jalapeños, and scallions

Add the corn kernels, 1 cup shredded sharp cheddar, 1/2 cup shredded pepper Jack, diced jalapeños, and sliced scallions. Fold gently until the mix-ins are evenly scattered through the batter. The batter will be hearty and scoopable, with visible bits of sweet corn, green jalapeño, and shredded cheese throughout.

Step 7: Fill and top the muffin cups

Divide the batter evenly among the 12 prepared muffin cups, filling each cup about 3/4 full. A spring-loaded scoop makes this easy and keeps the muffins evenly sized. Sprinkle the tops with the remaining 2 tablespoons shredded cheddar, then place 1 thin jalapeño slice on each muffin. This gives the muffins a beautiful golden, cheesy top and lets everyone know there is a little heat inside.

Step 8: Bake, finish, and cool

Bake at 400°F for 16 to 19 minutes, or until the muffins are puffed, golden at the edges, and a toothpick inserted into the center comes out clean or with a few moist crumbs. If the toothpick hits melted cheese, test a second spot. Let the muffins cool in the pan for 5 minutes, then transfer them to a wire rack. Brush the warm tops with 1 tablespoon melted butter and add a tiny pinch of flaky salt if desired. Serve warm for the best melty cheese texture.

Pro Tips

Do not overmix: Stir just until combined. A few small lumps are perfectly fine and help keep the muffins tender.
Control the heat: Remove jalapeño seeds and ribs for mild muffins, or leave some in for a warmer bite. You can also swap one jalapeño for a poblano for flavor with less heat.
Use freshly shredded cheese: Pre-shredded cheese works in a pinch, but freshly shredded cheddar and pepper Jack melt more smoothly.
Dry the corn well: Pat thawed frozen corn or drained canned corn with a towel so the batter stays thick and fluffy.
Serve warm: These are best when the cheese is soft and melty. Rewarm leftovers briefly before serving.

Variations

Bacon cheddar jalapeño muffins: Fold in 1/2 cup cooked, crumbled bacon with the corn and cheese for a smoky, savory version.
Extra spicy muffins: Add 1/4 teaspoon cayenne pepper to the dry ingredients and use hot pepper Jack cheese.
Southwestern-style muffins: Add 1/2 teaspoon ground cumin and replace the scallions with 2 tablespoons chopped fresh cilantro.

Storage & Make-Ahead

Store cooled muffins in an airtight container at room temperature for up to 2 days, or refrigerate for up to 5 days. To reheat, warm individual muffins in a 300°F oven for 8 to 10 minutes, or microwave for 15 to 20 seconds until just warmed through. For longer storage, freeze cooled muffins in a freezer-safe bag or container for up to 3 months. Thaw at room temperature, then reheat in a 300°F oven for 10 to 12 minutes. For make-ahead prep, whisk the dry ingredients up to 2 days in advance and store covered at room temperature; chop the jalapeños, slice the scallions, and shred the cheese up to 1 day ahead and refrigerate separately.

Nutrition (per serving)