A friend sent me the link to an NPR story, "A North Carolina Pie That Elicits an 'Oh My God' Response" that included the recipe for Bill Smith's Atlantic Beach Pie. I don't know who this Bill Smith is, but he has a mean pie recipe that starts with, interestingly enough, a crust made of saltine crackers.
The filling is made with lemon juice, lime juice, or a mixture of the two. I used a mixture. The filling also contains condensed milk. In my opinion, it is hard to go wrong with condensed milk unless you consider the 14-ounce can to be the single serving size.
The amount of filling that the recipe yielded actually looked a bit skimpy when added to the saltine crust. A top layer of whipped cream solved that problem. Younger son, he of the New Year's resolution to "eat pie" judged it to be a winner.