Remove the papery skin of the bulb and cut the top of the garlic bulb so the top of the cloves is exposed. Drizzle some olive oil and place them in an aluminum foil pouch.
Place the foil pouch on a baking sheet and roast at 400 F for about 40-50 minutes, or until soft and golden.
Once cool, squeeze out the cloves of garlic and mash them to use in recipes, or store them in an air-tight container in the fridge for a week.