Slice the top end off of the garlic bulb about 1/4-inch. Place on a sheet of aluminum foil.
Drizzle with olive oil and sprinkle on salt and pepper. Fold aluminum foil to form a packet and place in the oven for one hour.
Remove from the oven and allow to sit for 3-5 minutes. Then, remove garlic bulb from foil packet. Squeeze garlic bulb at root end to remove garlic cloves from the bulb.