1. Heat oven to 350 degrees. Lightly grease 12-cup fluted tube pan with shortening or cooking spray. In large storage plastic food bag, mix granulated sugar and cinnamon. 2. Seperate dough into 16 biscuits; cut each in half or quarters. Shake in bag to coat. Arrange in pan, adding walnuts and raisins among the biscuit pieces. 3. In small bowl, mix brown sugar and butter; pour over biscuit pieces. 4. Bake 25 to 32 minutes or until golden brown and no longer doughy in center. Cool in pan 10 minutes. Turn upside down onto serving plate; pull apart to serve. Serve warm.