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This Roasted Jalapeño Cowboy Butter is a smoky, spicy compound butter loaded with roasted jalapeños, garlic, fresh herbs, and zesty spices. It’s the ultimate flavor bomb for steaks, grilled chicken, seafood, vegetables, or slathered on warm bread.
Okay, so we’ve been making regular cowboy butter for a while now, but this roasted jalapeño version? It’s completely changed the game in our kitchen.
The roasting does something magical to jalapeños. They get sweeter, smokier, and way less aggressively spicy. You still get all that jalapeño flavor, but it’s mellower and more complex instead of just straight-up heat.
Now we keep a log of this in the fridge pretty much all the time. It makes even the most boring weeknight chicken feel like a special dinner.
Why You’ll Love This Roasted Jalapeño Cowboy Butter
- The smoky flavor is unreal. Roasting the jalapeños adds this depth and sweetness that raw peppers just can’t touch.
- The heat is perfect. Roasting mellows the spice, so you get tons of flavor without your mouth catching fire. It’s got a kick, but it’s not painful.
- You can put it on literally anything. Steak, chicken, seafood, veggies, bread, pasta – we haven’t found anything it doesn’t make better.
- Make it once, use it for weeks. It keeps in the fridge for 2 weeks or you can freeze it for months.
You’ll Need
How to Make Roasted Jalapeño Cowboy Butter
- Roast the jalapeños. Air-fry the jalapeños until blistered and lightly charred, turning once, about 8–10 minutes. Alternatively, you can roast them directly over a gas burner or under the broiler, turning occasionally, until blackened in spots and fragrant with a sweet, smoky aroma.
- Steam and peel. Transfer to a bowl, cover with plastic wrap, and let steam for 5 minutes. The charred skin will slide right off easily. Finely chop them.
- Mix everything. Combine softened butter with chopped jalapeños, herbs, garlic, lemon juice, zest, Dijon, spices, salt, and pepper. Mash together until everything is evenly distributed.
- Taste and adjust. Try a small bit and add more salt, lemon, or garlic if needed.
Helpful Tips
- Get the butter temperature right. It should be soft enough to easily mash with a fork, but not melted or oily. Just leave it on the counter for 30-60 minutes.
- Really roast those jalapeños. Don’t be shy about getting them charred. Those black, blistered spots are where all the flavor is. They should look pretty rough when you’re done.
- Control the spice. Take out all the seeds for mild. Leave some in for medium. Keep most of them in if you like it hot. It’s totally your call.
- Mix it well. You want the jalapeños and herbs distributed evenly so every slice tastes good. Nobody wants a bite that’s all butter and then one that’s all jalapeño.
- Make it ahead. Honestly, this tastes even better after it’s been in the fridge for a few hours. The flavors blend together and mellow out. If you can make it the day before, do it.
- Use good butter. Since butter is like 90% of this recipe, get the good stuff if you can. European-style butter is richer and tastes better.
Recipe Variations
- Extra smoky. Add a few drops of liquid smoke or use chipotle powder instead of regular smoked paprika.
- Cilantro lime style. Swap the parsley for cilantro and bump up the lime juice to 2 tablespoons. Very good on fish tacos.
- Roasted garlic version. Roast a whole head of garlic with the jalapeños, squeeze out those sweet caramelized cloves, and mix them in.
- Bacon jalapeño butter. Mix in 3-4 tablespoons of crumbled bacon because… bacon.
- Sweet and spicy. Add a tablespoon of honey instead of 1 teaspoon. This is incredible on cornbread.
- Cheese it up. Mix in ¼ cup of grated Parmesan or crumbled queso fresco.
What to Serve with Roasted Jalapeño Cowboy Butter
This butter is incredibly versatile and makes everything taste better. Melt it over grilled steaks, chicken, pork chops, salmon, shrimp, lamb chops, or burgers. It’s amazing on vegetables like grilled corn (seriously, try this), roasted Brussels sprouts, baked sweet potatoes, roasted cauliflower, grilled asparagus, or sautéed mushrooms. Toss it with hot rice or pasta for instant flavor. You can even melt it over popcorn, stir it into mashed potatoes, use it as a finishing touch on soup, or spread it on sandwiches. Honestly, we haven’t found anything it doesn’t make better.
Storage and Freezing
- Fridge: Wrap it tightly in plastic wrap and then foil. It’ll keep for up to 2 weeks. If you didn’t make it into a log, just keep it in an airtight container.
- Freezer: This freezes perfectly for up to 3 months. Wrap it really well in plastic wrap and then foil, and write the date on it. You can slice off pieces as you need them – no need to thaw the whole thing.
- Make ahead: We love making a double batch and freezing half. Then you always have fancy butter ready to go.
- Using frozen butter: You can literally slice it while it’s frozen and plop those rounds on hot food. They’ll melt just fine.
FAQs
Yep! Poblanos are milder and have this rich, earthy flavor when roasted. Your butter won’t be as spicy, but it’ll still be delicious.
Medium-mild if you remove all the seeds. The roasting really mellows out the heat. If you want it spicier, leave some seeds in or add more red pepper flakes.
Definitely. Just broil them on a baking sheet 4-6 inches from the heat, turning them every few minutes until they’re charred all over. Takes about 10-12 minutes.
Yeah, the charred skin is tough and kind of bitter. But steaming them for 5 minutes makes it super easy – the skin just slides off.
At least an hour in the fridge to firm up, but it’s honestly better if you let it sit overnight so all the flavors can blend together.
More Cowboy Butter Recipes
Cowboy Butter
Roasted Garlic Cowboy Butter
Cowboy Butter
Cowboy Butter
Cowboy Butter
Cowboy Butter Chicken Thighs and Green Beans Skillet
If you make this Roasted Jalapeño Cowboy Butter, come back and rate the recipe – we’d love to hear what you think!
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Roasted Jalapeño Cowboy Butter
Ingredients
Roasted Jalapeño
- 2 large jalapeño peppers, stems removed, sliced in half, seeded
- 1 tablespoon extra virgin olive oil
Cowboy Butter
- ½ cup 1 stick unsalted butter, softened
- 1 tablespoon coarse Dijon mustard
- 1 teaspoon honey
- 1 tablespoon fresh parsley, finely chopped
- 1 tablespoon fresh chives, finely chopped
- 2 teaspoons fresh thyme leaves, roughly chopped
- 2 teaspoons minced garlic
- 1 teaspoon lemon juice
- ½ teaspoon smoked paprika
- ¼ teaspoon kosher salt
- ¼ teaspoon black pepper
- ¼ teaspoon crushed red pepper flakes, or to taste
- ⅛ teaspoon cayenne pepper
Instructions
- Air Fryer Roasted Jalapeño: Preheat the air fryer to 390°F.
- Brush the jalapeño halves with olive oil on all sides and place them cut-side down in the air fryer basket. Air fry for 6 to 8 minutes, or until the skins are blistered and lightly charred. Remove and let cool slightly.
- Place the jalapeños on a paper towel and gently press to remove excess moisture and oil. Finely chop them and transfer to a medium mixing bowl.
- Cowboy Butter: Add the softened butter, Dijon mustard, honey, parsley, chives, thyme, garlic, lemon juice, smoked paprika, salt, black pepper, cayenne, and crushed red pepper flakes to the bowl with the jalapeños. Mix until fully combined and smooth.
- To Make Compound Butter: Scoop the cowboy butter onto a piece of plastic wrap. Roll into a log, shaping tightly as you go. Twist the ends to seal and refrigerate until firm, about 2 hours or up to overnight.
- To Make a Butter Dip: Place the butter in a microwave-safe bowl and heat in 20-second intervals, stirring between each, until fully melted.
- This recipe yields about ⅔ cup of roasted jalapeno cowboy butter.
Nutrition
Nutrition information is automatically calculated, so should only be used as an approximation.
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I made this for steak night and everyone kept asking what the sauce was. It has the perfect balance of heat and buttery richness.
Amanda, that’s exactly what I was going for! I love that it became the star of steak night.
I spread this on warm bread and couldn’t stop eating it. The roasted jalapeños add just the right amount of smoky heat. So simple but so good.
Melissa, I’ve definitely done the warm bread thing too! 😄 So happy you enjoyed the smoky flavor. Thank you!
I roasted the jalapeños like you suggested and the flavor was incredible. It’s spicy but not overwhelming. I used it on grilled chicken and it was perfect.
Natalie, that sounds delicious! 🤍 I love that mellow roasted heat. Thank you for sharing how you used it!