1/2 c. flour
1 1/4 c. sugar
1 c. boiling water
1/3 c. milk
3 egg yolks, beaten with 1 egg white
1/2 lb. butter
2 lemons (1/4 cup lemon juice and zest of 1 lemon)
1 9-inch pie shell, baked
2 egg whites
1/2 tsp. cream of tartar
4 tsp. sugar

Mix flour and 1 1/4 cup sugar in pan, add boiling water and stir constantly. Add milk; cook until thickened. Add beaten eggs, stir and cook until thick. Add butter, lemon juice and lemon zest. Cool.

Beat egg whites until foamy. Add cream of tartar and whip until soft peaks form. Gradually add 4 teaspoons sugar and beat until stiff peaks form. Top pie with meringue.

Bake at 350°F until brown.