Toffee Bars - cooking recipe

Ingredients

1 c. butter
1 c. brown sugar
1 egg yolk
1 tsp. vanilla
2 c. flour
1 (6 oz.) pkg. chocolate chips (1 c.)

Preparation

Thoroughly cream butter, brown sugar, egg yolk and vanilla. Add flour; mix well.
Stir in chocolate chips.
Pat into ungreased 15 1/2 x 10 1/2 x 1-inch baking pan.
Bake at 350\u00b0 for 18 to 20 minutes.
While warm, cut into bars.