Decadent Chocolate Cupcakes with Matcha Buttercream

Williams Sonama chocolate cupcake recipe:

http://www.williams-sonoma.com/recipe/chocolate-cupcakes.html?cm_src=oldlink

The result is 12 rich chocolate cupcakes, probably the best chocolate cake I have ever made.  Matcha is a high quality type of green tea, it added as a great balance to the sweetness of the chocolate cupcakes perfectly.  For the buttercream, I only used 1 teaspoon of the matcha powder in order to achieve the very pale green colour.  I use Martha Stewart's Meringue Butter Cream recipe... and add the matcha powder:  

http://www.marthastewart.com/portal/site/mslo/menuitem.fc77a0dbc44dd1611e3bf410b5900aa0/?vgnextoid=72a7542a0780f010VgnVCM1000003d370a0aRCRD&vgnextfmt=default

I have tons of matcha buttercream left... perhaps I should have cut the portion by half.  Now I need to find a way to use all those buttercream.  I'd better not eat it with a spoon.