Lemon Pie - cooking recipe

Ingredients

1 1/4 c. sugar
2 Tbsp. flour
2 beaten egg yolks
1 1/2 c. boiling hot water
2 lemons
4 Tbsp. lemon juice or lemon flavoring
1 (9-inch) cooked pie shell

Preparation

In the top of a doubler, mix sugar and flour together. Add beaten egg yolks to mixture, stirring often. Add boiling water and lemon juice or flavoring.
Continue to stir until mixture gets real thick; make sure the bottom of double boiler has plenty of water in it, but not enough to cause steam to rise while stirring ingredients.
Pour into cooked pie shell.