Prepare cake mix as directed on package in a 9x 13 pan. Cool 15 minutes,
then poke holes in cake with utility fork. Meanwhile, combine milk, sugar
and 1/2 cup of the coconut flakes in saucepan. Bring to a boil, reduce
heat and simmer 1 minutes. Spoon evenly over warm cake. Cool completely.
Fold 1/2 cup of the coconut into whipped topping and spread over cake.
Sprinkle with remaining coconut. Chill overnight.