Pie:
5 Tbsp. cornstarch
1 1/2 cups sugar
1/2 tsp. salt
2 cups boiling water
3 egg yolks (save whites for meringue)
4 Tbsp. lemon juice
2 Tbsp. butter
2 Tbsp. grated lemon rind
1 pie crust, baked
Meringue:
1 Tbsp. cornstarch
1/2 Tbsp. cold water
1/2 cup boiling water
3 egg whites
6 Tbsp. sugar
1 tsp. vanilla