zest and juice of 1 lemon 1 cup powdered sugar 2 tbs. butter 4 tbs,. cornstarch 3 eggs (separated) pinch salt .15 tsp cream of tartar 1. in a saucepan, combine lemon, .5 cup sugar, butter, and 1 cup water - bring to a boil 2.takje cornstarch and dissolve ijn 1 tbs. water, then add egg yolks 3. temper together 1 and 2 then bring to a boil, constantly whisking until thick... let cool 4. spoon mixture into pie shell and spread until level 5. make merengue - tope poe then bake until golden