Ambrosia Cake

Directions

1. 1
   Cut cake crosswise into 3 layers.
2. 2
   Combine sour cream, pineapple, coconut and brown sugar.
3. 3
   Place bottom layer of cake on serving platter.
4. 4
   Top with 1/3 of the pineapple mixture.
5. 5
   Add second layer of cake.
6. 6
   Top with another 1/3 of the mixture.
7. 7
   Add final cake layer and top with remaining pineapple mixture.
8. 8
   Top with mandarin oranges.
9. 9
   Chill.