English Toffee Bars - cooking recipe

Ingredients

1 c. margarine
1 c. brown sugar
1 egg yolk, beaten
2 c. flour
1 tsp. vanilla
6 plain chocolate bars

Preparation

Cream the margarine and brown sugar for 3 minutes.
Add the egg yolk, flour and vanilla.
Put in jelly roll pan; bake on lowest shelf in oven at 350\u00b0 for 15 to 20 minutes.
Break up the chocolate bars; put on crust, then melt and spread.