- Mix flour and sugar. Cream with butter.
- Beat yolks until thick. Add yolks and milk to flour, sugar and butter mixture. Add lemon juice and rind.
- Beat egg whites until stiff but not dry. Fold into first mixture.
- Pour into buttered baking dish. Place baking dish in pan with 1" hot water.
- Bake at 350°F for 1 hour 5 minutes, or until firm.
- Garnish with whipped cream and fresh fruit, if desired.