Preheat the oven to 350°F and grease a 9-inch loaf pan or a round cake pan.

In a bowl, mix cream cheese, sour cream, garlic, salt, pepper, and red pepper flakes. Fold in spinach, artichokes, mozzarella, and Parmesan until combined.

If using pizza dough, roll into a rectangle and cut into roughly 2-inch squares. If using biscuit dough, cut each biscuit in half.

Spread a thin layer of the filling on a piece of dough, then fold in half or stack like little sandwiches. Repeat until your pan is snug with layered pieces. Alternatively, roll dough into balls and toss with spoonfuls of filling.

Drizzle melted butter over the top and add a pinch of Parmesan if desired.

Bake for 28 to 35 minutes until puffed, golden, and fragrant. Tent with foil if the top browns too quickly.

Let it rest for 5 to 10 minutes so the cheesy center sets. Sprinkle with parsley.

Serve warm and pull apart straight from the pan.