Preheat oven to 400 degrees.
Cut off top of garlic bulb making sure that you cut into all cloves.
Place bulb on a piece of tin foil.
Drizzle olive oil over the garlic.
Sprinkle with salt and pepper.
Twist foil around the garlic clove and place on oven rack.
Roast for 45 to 50 minutes.
Let cool for 1 hour.
To use, hold the whole bulb and squeeze out the garlic cloves.