A popular New York City-based bakery, along with a beloved Washington D.C. pizza locale, made its Boston debut in Harvard Square today. Milk Bar, known for its cereal milk soft serve and towering layer cakes, will share space with &pizza, a “counter-culture pizza brand” making creative pies that feature ingredients like short rib and mushroom truffle.  It was to be the destination for a mystery date with Jeanine this afternoon; Plan A.  When we arrived there was a line that easily stretched 4 city blocks and neither of us was up for waiting hours in the sub-zero weather.  Plan B: We tried to visit the offices of Dewey, Cheatem and Howe (of NPR Car Talk fame), located above the Curious George Store across the street. It is no longer open to the public. Plan C:  We drove to the Museum of Fine Arts to see the visiting Ansel Adams photography exhibit only to find another insanely long line. Plan D:  We had lunch at the  Cornish Pasty where we both enjoyed versions of the pubs’ namesake.  I had the Bangers & Mash Patsy which was phenomenal.  Although our outing proved to be very different than I had imagined, our persistence was rewarded in the end.