Variation
Prepare as directed, using tinted coconut. Just mix 1/2 tsp. water with a few drops food colouring. Add to coconut in resealable plastic bag; seal bag. Shake until coconut is evenly tinted. Sprinkle over centres of bunny's ears.
Make it Easy
Use a serrated knife to easily cut the cake without tearing it.
Note
Decorate cake with jelly beans just before serving to prevent colour from jelly beans melting into the Cool Whip.