01 - Preheat the oven to 375°F.
02 - In a medium mixing bowl, combine softened cream cheese, sour cream, garlic powder, black pepper, and half of the Italian herbs. Mix until smooth and well incorporated.
03 - Spread the cream cheese mixture evenly into the bottom of a 9-inch oven-safe baking dish, creating a uniform foundation.
04 - Pour the pizza sauce evenly over the cream cheese layer, spreading to cover completely.
05 - Sprinkle chopped green bell pepper and red onion over the sauce layer.
06 - Arrange most of the beef pepperoni slices over the sauce and vegetables, reserving a few slices for the final topping.
07 - Sprinkle mozzarella and Parmesan cheese evenly over the entire surface.
08 - Add the reserved pepperoni slices and a final sprinkle of remaining Italian herbs for presentation.
09 - Bake for 20 to 25 minutes, or until the cheese is bubbling and golden brown.
10 - Let the dip cool for 5 minutes before serving. Accompany with toasted baguette slices, pita chips, or tortilla chips.