Preheat oven to 375°F.
Throughly dry chicken inside and outside with paper towels.
In a mixing bowl combine avocado oil and all purpose dry rub to make a wet rub.
Massage wet rub on the outside and inside of the chicken.
Stuff chicken with halved garlic bulb.
Tie chicken legs together with butcher's twine. This step is optional not necessary.
Place chicken (breast side up), on roasting rack placed on a baking sheet.
Place in oven and roast for 30 minutes. Then reduce heat to 350°F, baste chicken and continue to roast for 1 hour, or until meat thermometer reads 165°F when inserted into the thickest part of the thigh but not touching the bone.
Let chicken rest for 10 minutes before serving.