In a large saucepan, melt 3 T. of butter over medium heat. Add marshmallows and stir until completly melted.
Mix in corn flakes to combine. Drop spoon fulls of mixture into greased muffin cups.
Use a piece of wax paper to press corn flake mixture into the cup and create a "nest".
Drop 3 drops of green food coloring with 1/2 c. of coconut to create "grass".
Spoon a small amount of coconut onto each nest. Top with candy eggs or Easter Peep birds.