Preheat oven and grease bundt pan or baking dish.
Mix cinnamon and sugar in a bowl.
Cut pre-made biscuit dough into small pieces and roll into balls.
Dip dough balls in melted butter, then roll in cinnamon-sugar mixture.
Arrange coated dough balls in the greased pan.
Optional: Add nuts, raisins, or chocolate chips between layers.
Let dough rise in a warm place for about 30 minutes.
Bake in preheated oven until golden brown and cooked through.
Let cool in pan for a few minutes, then carefully flip out onto a serving plate.
Serve warm and enjoy pulling apart the delicious, gooey pieces.