English Toffee Squares - cooking recipe

Ingredients

1 c. butter or margarine, softened (1/2 lb.)
1 c. sugar
1 egg
2 c. all-purpose flour
1 tsp. ground cinnamon
1 c. chopped pecans or walnuts

Preparation

In large bowl of an electric mixer, beat butter and sugar until creamy.
Separate egg.
Beat yolk into butter mixture; cover and reserve white.