Chocolate Chip Custard Pie
["4 egg yolks, beaten", "1/2 c. sugar", "2 c. milk, scalded", "1 Tbsp. gelatin", "1/4 c. cold water", "1 tsp. vanilla", "1/2 c. semi-sweet chocolate, chipped", "4 egg whites", "1/4 tsp. cream of tartar", "1/2 c. sugar", "graham cracker crust"]
["Beat egg yolks and add sugar and milk.", "Place in double boiler and cook over hot water until thick. Add gelatin softened in water and vanilla. Cool.", "Pour into crust.", "Sprinkle with chocolate. Beat egg whites until foamy.", "Add cream of tartar and continue beating, adding sugar gradually and beating until very stiff. Spread over chocolate and chill before serving."]
["egg yolks", "sugar", "milk", "gelatin", "cold water", "vanilla", "semi-sweet chocolate", "egg whites", "cream of tartar", "sugar", "graham cracker crust"]