Lemon Cake Pie

• ¼ cup butter or margarine
• 1 cup sugar
• 3 tbsp. flour
• 1 1/2 cups milk
• ¼ tsp. salt
• 3 eggs, separated
• Juice and rind of 1 lemon

Cream butter and sugar together. Add flour and salt; blend well. Add lemon juice. Beat egg yolks slightly, add milk and combine with creamed mixture. Beat egg whites until stiff and fold into mixture. Pour into an unbaked 9 inch pie shell. Bake at 400 degrees F. for 10 minutes then reduce heat to 325 degrees F. and bake for 25 minutes longer.