01 - Set oven to 375°F (190°C) and allow to preheat.
02 - In a large mixing bowl, blend cream cheese, sour cream, and mayonnaise until completely smooth.
03 - Fold in minced garlic, chopped spinach, prepared artichokes, shredded mozzarella, and grated Parmesan. Season the mixture with salt and black pepper.
04 - Transfer mixture to a greased 8x8-inch baking dish, spreading evenly and smoothing the surface.
05 - Sprinkle additional Parmesan or mozzarella cheese on top for enhanced browning and flavor, if desired.
06 - Place dish in the oven and bake for 20–25 minutes until hot, bubbling, and lightly golden on top. For greater browning, broil for an additional 1–2 minutes watching closely.
07 - Allow to cool slightly. Garnish with extra grated Parmesan and chopped parsley or green onions. Serve warm with chips, pita, crostini, or fresh vegetables.