In a large mixing bowl, combine the softened cream cheese, Greek yogurt, Parmesan cheese, half of the mozzarella cheese (½ cup), minced garlic, salt, and black pepper.
8 ounces cream cheese, 1 cup plain Greek yogurt, 1 cup grated Parmesan cheese, 2 cloves garlic, ¼ teaspoon kosher salt, ¼ teaspoon black pepper, 1 cup shredded mozzarella cheese