Preheat oven to 450°.
Combine the first 5 ingredients; toss well. Rub cut sides of garlic over crust; discard garlic. Spread Alfredo sauce evenly over crust; top with turkey mixture. Sprinkle with cheese and red pepper. Bake at 450° for 12 minutes or until crust is crisp. Cut into 6 wedges.
Rubbing the pizza crust with a halved garlic clove imparts lots of flavor with little effort and no chopping. You can substitute cooked chicken for turkey.