This Classic Southern Lemon Pie Gets Crunch—and Charm—From a Saltine Crust

Name: This Classic Southern Lemon Pie Gets Crunch—and Charm—From a Saltine Crust
Ingredients: 6 ounces saltine crackers (170 g; about 52 saltine crackers); 8 tablespoons unsalted butter, melted and cooled (4 ounces; 113 g); 1 1/2 ounces granulated sugar (435 g; 3 tablespoons); 1 (14-ounce) can sweetened condensed milk; 1/4 cup (60 ml) heavy cream; 2 large eggs; 1 tablespoon grated lemon zest plus 2/3 cup (160 ml) juice from 3 lemons; 1/4 teaspoon Diamond Crystal kosher salt; for table salt, use half as much by volume; 1 cup (240 ml) heavy cream, chilled; 1 ounce granulated sugar (28 g; 2 tablespoons); 3/4 teaspoon vanilla extract; Flaky sea salt (such as Maldon), optional