Start by patting the whole chicken completely dry with paper towels inside and out. Moisture is the enemy of crispy skin and a solid bark, so do not rush this step. Place the bird breast-side down on a sturdy cutting board. Using heavy-duty kitchen shears, cut along both sides of the backbone from the tail end up to the neck. You will feel resistance as you cut through small rib bones, so apply steady firm pressure. Remove the backbone completely and save it for stock if you like.

Flip the chicken over so it is breast-side up and open it like a book. Use the palm of your hand and press down firmly on the breastbone until you hear and feel a crack. This flattens the bird fully so it lies completely flat, which is critical for even cooking on the grill. The bird should now be roughly 1.5 to 2 inches thick across the entire surface. Tuck the wing tips behind the breast to prevent burning.

Place the spatchcocked chicken on a wire rack set over a rimmed sheet pan. Coat all surfaces generously with olive oil or melted butter, working it under the skin over the breast and thighs wherever your fingers can reach. This step ensures the rub adheres and creates a beautiful base for bark development on the grill.

Combine all the dry rub ingredients in a small bowl: kosher salt, smoked paprika, black pepper, garlic powder, onion powder, thyme, cayenne, and brown sugar. Mix thoroughly. Apply the rub liberally over every surface of the chicken including under the skin directly on the breast meat. Do not be shy here. A generous coating is what builds that deep, flavorful crust. For best results, place the seasoned bird uncovered in the refrigerator for at least 2 hours or ideally overnight. This allows the salt to work into the meat and the surface to dry out further for maximum crispiness.

About 45 minutes before you plan to grill, pull the chicken out of the refrigerator and let it come closer to room temperature. Meanwhile, fire up the grill and set up a two-zone heat configuration. For a charcoal kettle, light a full chimney of briquettes and pour them on one side of the grill once fully ashed over. You are targeting a grill temperature of 375 to 400 degrees Fahrenheit on the indirect side. Add a small handful of soaked wood chips or a dry wood chunk directly on the coals for smoke generation.

Once the grill is up to temp and smoke is rolling, place the spatchcocked chicken skin-side UP on the indirect heat side of the grill. Close the lid and cook for 30 to 35 minutes. You are looking for the skin to start pulling tight and taking on a golden color. At the 20-minute mark you should see wisps of smoke escaping around the lid, which means flavor is penetrating the meat and that smoke ring is developing just under the skin.

After 30 to 35 minutes on indirect heat, check the internal temp in the thickest part of the thigh using your instant read thermometer, avoiding the bone. You are looking for around 150 to 155 degrees Fahrenheit at this stage. The bird is not done yet, but it is time to move it over the hot side of the grill skin-side DOWN for the final sear. This is where the skin crisps up dramatically and picks up those gorgeous char marks. Sear for 4 to 6 minutes, watching carefully for flare-ups.

If you are adding a butter baste or glaze, now is the time. Flip the bird back to skin-side up, brush on your melted butter or sauce, and move it back to the indirect side for 5 more minutes to let that coating caramelize and set without burning. Keep an eye on the color. You want deep amber, not black.

Take the final internal temperature reading in the thickest part of the thigh and in the thickest part of the breast. The USDA requires poultry to reach 165 degrees Fahrenheit, and that is your target. Once you hit that mark, pull the chicken off the grill and let it rest on a cutting board for at least 10 full minutes before carving. Resting the meat allows the juices to redistribute throughout the bird. Cut into it too soon and those precious juices run right out onto your cutting board instead of staying where they belong.

To carve the spatchcocked chicken, start by removing the legs at the hip joint, then separate the drumstick from the thigh. Next, cut down along the breastbone to remove each breast half, and slice against the grain for serving. Plate it up, crack a cold drink, and take a moment to admire the work before your guests dive in. That crackling skin and juicy meat is the result of technique, patience, and a properly managed fire.