Preheat oven to 350 degrees F. Grease and flour two 8x1 1/2-inch round cake pan; set aside. In a medium bowl combine flour, baking powder, salt, and nutmeg; set aside.
In a large mixing bowl beat butter on medium-high speed for 30 seconds. Gradually add granulated sugar; beat until combined. Beat 2
minutes more. Add eggs, one at a time, beating well after each addition. Alternately add flour mixture and 3/4 cup of the mango juice; beat on low after each addition just until combined. Stir in shredded carrot. Pour into prepared pan.
Bake 25 to 30 minutes or until golden and a wooden pick
inserted near center comes out clean. Cool in pan on wire rack 10 minutes. Remove from pan; cool completely. Place remaining 1/2 cup mango juice blend in a small saucepan; bring to boiling. Boil gently, uncovered, 3 to 4 minutes or until reduced to 1/4 cup. Remove from heat; cool. Frost top of one
cake layer with Cream Cheese Frosting. Top with remaining cake layer; frost as desired. Drizzle with reduced juice; top with carrot ribbons.
In a large mixing bowl beat cream cheese and 1/4 cup butter until smooth. Beat in vanilla. Gradually beat in powdered sugar.