1Heat oven to 350°F. Grease 12-cup fluted tube cake pan with shortening; lightly flour.
2In large bowl, beat brown sugar, oil and eggs with electric mixer on medium speed until light and fluffy. Add remaining ingredients except walnuts and apples; beat on low speed until smooth. With spoon, gently stir in walnuts and apples. Spoon batter into pan.
3Bake 1 hour to 1 hour 10 minutes or until toothpick inserted near center comes out clean. Cool 10 minutes. Place heatproof plate upside down over pan; turn plate and pan over. Remove pan. Cool 30 minutes.
4Meanwhile, in medium bowl, beat all glaze ingredients except cinnamon until smooth. Pour glaze over top of cake, allowing some to run down side. Sprinkle with cinnamon.