12 graham crackers, finely ground (1½ cups of crumbs)
¾ cup + 3 tablespoons granulated sugar, divided
2 ounces (4 tablespoons) unsalted butter, melted
16 ounces cream cheese, at room temperature
2 eggs
1 egg yolk
¾ cup eggnog
1 tablespoon + 1 teaspoon brandy
1 teaspoon vanilla extract
1 tablespoon + 1½ teaspoons all-purpose flour
½ teaspoon freshly grated nutmeg, plus extra for dusting
¼ teaspoon salt