Aunt Dot'S Favorite Lemon Sponge Pie
["1/4 c. soft butter", "1 c. sugar", "3 eggs, separated", "3 Tbsp. flour", "1/4 tsp. salt", "6 Tbsp. lemon juice", "1 tsp. grated lemon rind", "2 c. milk", "pastry for 10-inch pie plate"]
["Line a 10-inch pie plate with pastry.", "Separate eggs and beat the whites until they hold up in peaks.", "Add about 1/4 cup of the sugar.", "Cream the butter.", "Add salt and remaining sugar.", "Add unbeaten egg yolks; beat well.", "Add the flour, lemon juice and lemon rind.", "Add milk, then fold in beaten whites.", "Pour into unbaked pastry.", "Bake at 425\u00b0 for 15 minutes.", "Reduce heat to 325\u00b0; continue to bake for 25 minutes.", "Place pie on rack to cool. Serves 6."]
["butter", "sugar", "eggs", "flour", "salt", "lemon juice", "lemon rind", "milk", "pastry"]