Sprinkle remaining 1 cup mozzarella over top of dip and bake an additional 5 minutes or until heated through and cheese is melted. (mostlyhomemademom.com)
(Optional: For more cheesiness, sprinkle additional shredded mozzarella cheese on top of the dip before broiling.) (confettiandbliss.com)
Garnish top of dip with shredded lettuce, diced fresh tomatoes, chopped dill pickles, and / or cooked and crumbled bacon. (nancy-c.com)