Shake Shack has special holiday custard flavors all month! Here is the December 2013 Shake Shack Custard Calendar.
(Remember you can use the shorter B Line to get custard at Shake Shack.)
Monday: Frosted Holiday Cookie
Wednesday: Sweet Potato Marshmallow
Thursday: Chocolate Pecan Pie
Friday: Jelly Donut
Sunday: Candy Cane Crunch
Featured Mix-In: Cinnamon Spiced CranberriesShake Shack Custard Calendar for December 2013,