Smoked Cajun Butter Chicken Recipe

Cajun Butter Smoked Chicken is a flavorful, easy dinner to make on your backyard grill. A brief brine keeps the meat tender and juicy, and the blackened Cajun butter adds a bold, smoky finish. This recipe is perfect for weekend meal prep — grill a couple of whole chickens and use the leftovers for sandwiches, salads, pasta, and more.

Cajun Butter Smoked Chicken

How to Make Cajun Butter Smoked Chicken

Start with a simple aromatic brine and a good-quality whole chicken (3–5 lbs). The brine seasons the bird throughout and helps lock in moisture during the long, gentle cook over wood smoke. For best flavor, use oak, hickory, or pecan. Oak adds a steady, balanced smoke that pairs beautifully with Cajun spices.

Brined Whole Chicken with lemon, garlic and peppercorns

  • Combine 4 quarts of warm water with ½ cup kosher salt until dissolved. Add 2 sliced garlic cloves, 1 tablespoon peppercorns, ½ sliced lemon, and a sprig of fresh rosemary if desired.
  • Submerge the whole chicken in the brine, cover, and refrigerate for 1 to 3 hours.
  • Remove the chicken from the brine and pat it completely dry inside and out with paper towels.
  • Prepare your grill for indirect cooking and bring the temperature to about 300°F. Add oak, hickory, or pecan for smoke flavor.

How to make Cajun butter

Make the Cajun Butter

Mix ¼ cup softened butter with about 2 tablespoons of blackened seasoning or your preferred Cajun spice blend. If you like extra heat, add a pinch of cayenne. This compound butter flavors the meat beneath the skin and inside the cavity, and the melted butter brushed on top helps crisp and brown the skin while adding richness.

Cajun Butter Rubbed Whole chicken

  • Gently separate the skin from the breast and rub about 1 tablespoon of the Cajun butter under the skin. Place another tablespoon inside the cavity.
  • Melt the remaining butter and brush it all over the outside of the chicken to help the skin brown and to carry the spice flavor.

How to Grill whole chickens with blackened seasoning

  • Place the chicken over indirect heat and close the grill lid. Maintain a steady temperature near 300°F and allow the smoke to infuse the meat.
  • Cook for approximately 1 to 1½ hours. Use a digital thermometer to check doneness in the thickest part of the thigh—the internal temperature should reach 165°F.
  • Remove the chicken from the grill and let it rest for 10 minutes before carving to allow juices to redistribute.

Smoked Chicken with Blackened Butter

Ingredients

For the brine:

  • 4 quarts warm water
  • ½ cup kosher salt
  • 2 cloves garlic, sliced
  • 1 tablespoon peppercorns
  • ½ lemon, sliced
  • Fresh rosemary (optional)
  • 1 whole chicken, 3–5 lbs

For the butter:

  • ¼ cup softened butter
  • 2 tablespoons blackened seasoning (or Cajun spice mix)
  • Sliced jalapeño and cilantro for garnish (optional)

Instructions

  1. Mix the brine ingredients and fully submerge the chicken. Cover and refrigerate for 1–3 hours.
  2. Drain and pat the chicken dry, inside and out.
  3. Prepare a grill with indirect heat and wood for smoke. Target 300°F for cooking.
  4. Combine the softened butter with the blackened seasoning to create the Cajun butter.
  5. Carefully separate the skin from the breast and rub about 1 tablespoon of the butter under the skin; add another tablespoon into the cavity.
  6. Melt and brush the remaining butter over the entire bird.
  7. Place the chicken over indirect heat, close the lid, and cook until the thickest part of the thigh reaches 165°F—about 1 to 1½ hours.
  8. Remove from the grill and rest for 10 minutes before slicing. Garnish with cilantro and sliced jalapeños if desired.

How to Store and Reheat

Wrap the whole or sliced chicken tightly in plastic wrap or place in an airtight container. Refrigerate for up to 4 days.

  • Reheat boneless chicken pieces gently in a skillet with a few tablespoons of water or low-sodium broth to retain moisture.
  • Reheat bone-in pieces wrapped in foil in a 325°F oven for 15–20 minutes until warmed through.

Blackened Whole Smoked Chicken

Serving Suggestions and Tips

This smoked chicken is versatile: shred it for sandwiches, toss it into pasta, add to salads, or serve alongside grilled vegetables and potatoes. Great side choices include grilled corn on the cob, creole butter potatoes, grilled asparagus, or roasted/grilled potatoes. If you plan to meal prep, grilling two chickens at once will provide ready-made dinner options for the week.

Choose a milder blackened seasoning if you prefer less heat, or add cayenne for a spicier finish. Oak smoke provides a balanced flavor that complements the Cajun butter, while hickory or pecan deliver a stronger, sweeter smoke profile.

Prep Time: 1 hour (including brining)

Cook Time: 2 hours (approx.)

Total Time: 3 hours

Servings: 4

Calories (per serving): 468 kcal

Author: Milisa

Cajun Spiced Smoked Whole Chicken

If you enjoyed this recipe, try other grilled and smoked chicken ideas for variety. With a simple brine and flavorful butter, this Cajun Butter Smoked Chicken is melt-in-your-mouth delicious and a reliable go-to for easy weeknight dinners or casual entertaining.