6 to 8
By Bill Neal
In Tennessee, as many as six or seven of these pies, once baked and cooled, are stacked on each other and sliced as a cake. Elsewhere they are offered singly, with a little whipped cream.
Preheat oven to 325°F (163°C).
Beat the sugar, a pinch of salt, and butter together until light. Add the eggs one by one, beating well after each addition, then add the zest and juic