Kosher grocery products can be found in many of the local grocery stores and supermarkets.

Frozen kosher chicken, Sabra Salads, Kosher salami, hot dogs,
and other Kosher and Israeli products are also available at 
Fernwood General Store 
1308 Gladstone Avenue

Challah for Shabbat
Every Friday, 8:45 - 10:45 there is a Challah Sale at Chabad. More info here