Digna's Deli in Hightstown
It's a hole in the wall on the corner of Main Street (33) and Stockton (571) formerly Jonny's Deli. It's an interesting highbred between an American "Boars-Head" style Deli and a small Mexican home-cooking style restaurant.
So far I've only tried the cuban sandwich and some tamale-like sweet corn thing that began with a Q. Both were very tasty and fresh (particularly the roast pork on the Cuban, which tasted moist enough to have been cooked that morning.) My wife had a turkey sandwich with bacon and she said it was excellent. Everything was prepared by Digna herself, who seems rightfully proud of her food.
This place definitely demands further investigation.