6 tbsp. cornstarch
1 1/4 c. sugar
1 tsp. salt
1 1/2 c. water
3 egg yolks, lightly beaten
1 tbsp. grated lemon rind
1/4 c. lemon juice
1 tbsp. butter

MERINGUE:

3 egg whites
1/4 tsp. cream of tartar
6 tbsp. (or more) sugar

Combine cornstarch, sugar, and salt in saucepan, add water. Cook over direct heat, stirring constantly until mixture boils and turns clear. Put a little hot mixture into egg yolks. Stir egg yolks into remaining cooked mixture and bring to boil until thick.

Remove from heat, add lemon juice, rind, and butter. Pour into baked pie shell. Beat egg whites, cream of tartar and sugar until stiff. Spoon over filling. Bake 4 or 5 minutes until golden brown at 425 degrees.