In a saucepan, melt the butter over medium-low heat. Add the lemon zest
When the butter melts add the marshmallows and stir until completely melted
Pour the marshmallow mixture into the cereal
Mix with a wooden spoon until the cereal is completely coated with the marshmallow
Spray both sides of a plastic egg with nonstick spray
Using latex gloves, overstuff a half of an egg with the cereal. Place the other side of the egg and close removing the excess cereal. Open the egg and release the shaped cereal onto parchment paper
Repeat until all the eggs have been shaped
Let the eggs set. About 10 minutes
For Glaze
Pour the powdered sugar into a bowl
Add the lemon juice and whisk until combined. If the glaze is too thick, add more lemon juice