: Mix the sugar, ClearJel (or cornstarch), and salt together in a saucepan. Add the eggs and whisk well, then whisk in the juice. Bring the mixture to a boil, and boil for 30 seconds. Stir in the butter, stirring till it melts, then pour the mixture into
: Preheat your oven to 375°F with the oven rack in the lowest position.
Whisk the meringue powder and water together, then beat until foamy. Add the salt, sugar and vanilla, and beat on medium-high speed until the meringue is thick and shiny. Beat in the marshmallow.
Remove the pie from the refrigerator. Top it with the meringue, using a spatula to form peaks. Bake the pie for 18 to 22 minutes, or until the meringue has browned. Remove it from the oven, cool it, and refrigerate until serving.