Combine syrup, hot water and butter and bring to a boil. Mix cornstarch, salt and enough cold water to make a thin paste, add egg yolks and beat well.

Add cornstarch mixture to hot syrup gradually, return to heat and cook until thickened to the consistency of pudding, stirring constantly. Cool slightly.

Pour into pie crust. Beat egg whites stiff, adding slowly the tablespoon of syrup. Pile on pie and brown in 400° F oven.