1Heat oven to 325°F. Grease 12-cup fluted tube cake pan with shortening or cooking spray; lightly flour.
2In large bowl, beat Cake ingredients with electric mixer on medium speed until well blended. Spread half of batter in pan.
3In small bowl, stir together Cinnamon Mixture ingredients. Sprinkle over batter in pan. Pour remaining batter over top.
4Bake 55 to 60 minutes. Cool in pan 5 minutes. Run knife around edge and center of pan. Place cooling rack upside down over pan; turn rack and pan over. Remove pan.