Combine cake mix and 1/4 c. (60 mL) of the coconut in a mixing bowl.
Prepare cake as directed on package.
Allow cake to cool completely.
Cut cake in half horizontally.
Spread nondairy whipped topping between layers.
Melt chocolate chips in a double boiler, over simmering water.
Pour and spread melted chocolate over top of cake.
Then sprinkle with remaining grated coconut.