Manyofuskeepfrozenmealsinourfreezers, butperhapsit's notterriblywisetopaynearly $5 for a frozensandwichwhenyoucouldmicrowaveyourownathomeforlessthan a dollar.
Beyondthecostissue, somefreshlyheatedStarbuckssandwichescanstayfrozenfor a while.
In a smallListeriarecallinMarch 2016, itwasnotedthatonetypeofsandwichwasmarked "bestby" August, so, that's 5 monthslater.