First off, start with a clean workspace. Rinse your turkey under cold water and pat it dry. Remove the backbone using kitchen shears or a sharp knife—this is essential for butterflying. Flip the turkey over and press down firmly on the breast to flatten it. Use a little muscle here; you'll be glad you did!

In a bowl, mix olive oil, kosher salt, ground black pepper, smoked paprika, cayenne pepper, ground coriander, cumin, garlic powder, dried thyme, and oregano. I promise this spice blend is the superhero of flavors. Rub this mixture all over the turkey, making sure to get into those nooks and crannies. Don’t skimp on the rub! It’s where the flavor lives.

In a large roasting pan, scatter the diced onions, carrots, and celery. Add the smashed garlic and apple if you're using them. The vegetables will not only add flavor to your turkey but will also create an aromatic base for your dish. Toss in the bay leaves and thyme sprigs.

Prepare your smoker according to the manufacturer’s instructions. I like using a mix of applewood and hickory for a sweet and smoky flavor profile. Preheat it to 225°F (about 107°C).

Place the turkey directly on the smoker rack, skin side up. Close the lid and let the magic happen! Smoke the turkey for approximately 4-5 hours. You’re looking for an internal temperature of 165°F (about 75°C) in the breast. If you don't own a meat thermometer, it's time to get one—you won’t regret it!

Once cooked, remove the turkey from the smoker and let it rest for at least 30 minutes. This step is crucial as it redistributes the juices within the meat. Carve, serve, and watch your guests’ faces light up with joy!