Easy Toffee Cookie Bars - cooking recipe

Ingredients

1 c. soft butter
yolk of 1 egg
1 c. packed brown sugar
1 tsp. vanilla
1 c. sifted flour
1 handful chopped walnuts
12 oz. bag semi-sweet chocolate chips

Preparation

In a large bowl beat butter until fluffy.
Beat in brown sugar; add egg yolk.
Beat in flour and then vanilla.
Spread evenly (as possible) onto greased cookie sheet and bake at 325\u00b0 for 25 minutes.
Shut off oven and remove tray to sprinkle chips evenly over surface.
Return to off oven for at least 5 minutes, then spread smooth chocolate.
Sprinkle top with nuts.
Allow to cool, then score top with knife and refrigerate for 2 hours.
Break into bars.