Fresh Lemon Meringue Pie
["3 to 4 California lemons", "sugar", "6 Tbsp. cornstarch", "1/4 tsp. salt", "1/2 c. cold water", "3 eggs, separated", "2 Tbsp. butter or margarine", "1 1/2 c. boiling water", "1/4 tsp. cream of tartar", "1 baked 9-inch pie shell"]
["Grate 1 teaspoon peel from lemon and squeeze out 1/2 cup juice.", "Set aside.", "Combine 1 1/2 cups sugar, cornstarch and salt in a saucepan thoroughly and blend in lemon juice, cold water and beaten egg yolks until completely smooth.", "Add the butter and stir in the boiling water gradually.", "Bring to a boil and cook for 3 to 4 minutes, stirring constantly.", "Stir in the grated peel and cool."]
["California lemons", "sugar", "cornstarch", "salt", "cold water", "eggs", "butter", "boiling water", "cream of tartar", "shell"]