Add 4 ounces (1 cup) mozzarella and 2 tablespoons Parmesan; stir well.
Spoon mixture into a broiler-safe 1 1/2-quart glass or ceramic baking dish.
Sprinkle with remaining 1/2 cup mozzarella and remaining 2 tablespoons Parmesan.

Photo: Raymond Hom; Styling: Pamela Duncan Silver
Bake at 350F for 30 minutes or until bubbly.
Preheat broiler to high (leave dish in oven).
Broil dip for 3 minutes or until cheese is lightly browned.
- Daily Values (DVs) are the recommended amounts of nutrients to consume each day.
(-) Information is not currently available for this nutrient.