Remove papery outer skin from garlic (do not peel or separate cloves). cloves). Cut top off of garlic bulb. Brush with 1 teaspoon oil. Wrap bulb in heavy-duty foil. Bake at 425° for 20-25 minutes or until softened. Cool for 10-15 minutes. Squeeze softened garlic onto a work surface; cut into thin slices.
Cut peppers in half; remove and discard seeds. Place cut side down on a baking sheet. Broil peppers 4 in. from the heat until skins blister, about 6 minutes. Immediately place peppers in a small bowl; cover and let stand for 15-20 minutes. Peel off and discard charred skins; cut peppers into thin strips.
In a small bowl, combine the olives, vinegar, oregano, basil, white pepper and remaining oil. Place crust on an ungreased 12-in. pizza pan; top with olive mixture, roasted garlic and peppers, onion and cheeses. Bake at 350° for 15-20 minutes or until cheese is melted. Yield: 12 slices.