Mix the Dip:
In a mixing bowl, combine the cream cheese and sour cream until smooth.
Add the thawed spinach, chopped artichokes, Parmesan cheese, minced garlic, and pepper. Mix well to ensure even distribution of ingredients.
Baking:
Transfer the mixture to a baking dish, spreading it evenly.
Bake the Dip:
Bake at 350°F for approximately 25 minutes or until the edges are golden and the dip is bubbly.
Cheese Topping:
Sprinkle additional Parmesan and/or mozzarella cheese on top of the dip.
Final Bake:
Return the dish to the oven and bake for an additional 5 minutes, or until the cheese on top is melted and slightly golden.
Prepare French Bread:
While the dip is baking, slice the French bread into bite-sized pieces.