Place bread cubes in a 2-quart casserole.-Beat 2 eggs with 2 egg yolks, reserving 2 egg whites for the meringue.
Gradually beat scalded milk into eggs.
Beat in 1/2 cup sugar, salt, vanilla, and butter.
Pour milk mixture over bread cubes.
Bake in preheated moderate oven (350°F.) for 25 minutes.
Spread jam evenly over top of pudding.
Beat egg whites until stiff but not dry.
Beat in sugar, 1 tablespoon at a time, until meringue is stiff and glossy.
Pile meringue over jam, making sure to spread meringue to edge of dish.
Bake for another 15 minutes.