Lemon Grape-Nuts Pudding
["1/4 c. butter", "2 tsp. grated lemon rind", "1 c. sugar", "2 egg yolks", "2 Tbsp. flour", "1/4 c. Grape-Nuts", "2 Tbsp. lemon juice", "1 c. milk", "2 egg whites"]
["Beat whites until stiff.", "Cream together the butter, rind and sugar.", "Add and mix well the yolks, flour, Grape-Nuts, lemon juice and milk.", "Fold in beaten whites.", "Pour into a 5-cup souffle dish. Set in a pan of hot water.", "Bake in a 325\u00b0 oven for 1 hour to 1 hour and 15 minutes.", "Serve warm."]
["butter", "lemon rind", "sugar", "egg yolks", "flour", "Grape-Nuts", "lemon juice", "milk", "egg whites"]