Heat oven to 350°F. Generously grease 12-cup fluted tube pan. Sprinkle with pecans, tilting pan to coat sides with some of the nuts. Set pan aside. In 1-quart microwavable bowl, place 3 ounces chocolate. Microwave on High 30 seconds; stir. If necessary, microwave in 10 second increments, stirring each time, until melted. Set aside to cool.