Lemon Curd
["2 c. sugar", "1 c. margarine", "3 Tbsp. grated lemon rind", "2/3 c. lemon juice", "2 tsp. cornstarch", "4 eggs, lightly beaten"]
["Combine first 5 ingredients in top of a double boiler.", "Cook over simmering water, stirring constantly, until butter melts. Gradually stir about 1/4 of hot mixture into eggs; add to remaining hot mixture, stirring constantly, until mixture thickens and coats a spoon (about 15 minutes).", "Remove from heat; cool. Cover and refrigerate."]
["sugar", "margarine", "lemon rind", "lemon juice", "cornstarch", "eggs"]