Toffee Bars - cooking recipe

Ingredients

1 3/4 c. all-purpose flour
1 c. sugar
1 c. butter or margarine, softened
1 tsp. vanilla extract
1 egg, separated
1/2 c. finely chopped California walnuts
1/4 lb. butter
1 c. packed brown sugar
2 eggs, slightly beaten
3/4 c. flour
1/2 c. chopped walnuts
1/2 c. chopped dates
1 tsp. vanilla
1/2 tsp. baking soda
dash of salt

Preparation

Melt butter in 8 or 9-inch pan.
Remove from heat.
Add remaining ingredients and beat with fork until mixture is smooth and creamy.
Bake at 350\u00b0 for about 35 minutes.
Cut into squares or bars just a few minutes after removing from oven.
(If it cools, it's very difficult to cut.)
Sprinkle with powdered sugar if you like.