Preheat oven to 275 or if using Traeger, set to 275.
Remove pork butt from packaging and pat dry.
Prepare your rub. Mix the rub ingredients together in a small bowl until well combined.
Spread the mixture over the pork butt. If using a larger pork butt, you may need to double the rub.
Oven-place pork butt fat site up in an oven safe container uncovered for about 5 hours. Once you see the bark nice and crispy, cover the container with a lid and cook until the internal temperature reaches 190-200 degrees.
Smoker-place pork butt fat side up. Put a small grill safe container fill with water inside next to the pork. Cooking until the internal temperature reaches 190-200 degrees.