Prepare dough as for Best Cinnamon Rolls, except substitute 1 package (2-layer size) German chocolate cake mix for the white cake mix. For filling: Omit cinnamon and add 1-1/4 cups miniature semisweet chocolate pieces and 1 cup coconut to the sugar. Shape the rolls as directed. In a saucepan, melt 2/3 cup butter. Stir in 1-1/3 cups packed brown sugar and 1/3 cup light-colored corn syrup. Cook and stir until sugar melts. Remove from heat. Stir in 2 cups coarsely chopped pecans. Divide pecan mixture between prepared pans. Slice each roll of dough into 8 pieces. Arrange 8 pieces, cut sides down, in each of the prepared pans. Let rise and bake as directed. Omit Powdered Sugar Icing. Makes 16 rolls.