Lemon Filling For Layer Cake - cooking recipe

Ingredients

1 c. sugar
2 1/2 Tbsp. flour
1/4 c. lemon juice
grated rind of 2 lemons
1 egg
1 tsp. butter

Preparation

Mix sugar and flour.
Add grated rind, lemon juice and egg, slightly beaten. Put butter in saucepan.
When melted, add mixture and stir constantly until boiling point is reached. Care must be taken that mixture does not adhere to bottom of saucepan. Cool before spreading.
(A little cream may be added.)