They were cookies and cream cupcakes made with mint Oreos and a mint and cookie crumb butter cream frosting. The frosting was the best part. For the shamrocks on top, I piped green chocolate melts in to a shamrock pattern on wax paper and then peeled them off once they were cool.
Rave reviews from Michael's co-workers - I was en route to San Diego, so I missed the big day in NYC but did enjoy a few pints of Guinness from Casa de Wade.
