Step 1
Spray 2 egg-shaped gelatin molds with cooking spray. Firmly snap the molds together.
Step 2
Pour gelatin mix in a large heatproof glass measuring cup with a spout; stir in boiling water until gelatin has dissolved.
Step 3
Slowly pour gelatin into prepared molds.
Step 4
Refrigerate molds until gelatin has set about 3 hours.
Step 5
Unsnap the molds and remove the gelatin eggs; cut each egg in half lengthwise with a sharp paring knife.
Step 6
Mix whipped topping and instant vanilla pudding mix in a bowl until smooth. Scoop the pudding mixture into a piping bag or plastic bag with a snipped corner.
Step 7
Pipe about 1 tablespoon of filling into the middle of each egg half for the \yolk.\
Step 8
Sprinkle decorating sugar over each yolk. Chill until ready to serve.