Name Unknown Bars - cooking recipe

Ingredients

1/2 c. butter
1 c. brown sugar
1 1/2 c. flour
1 tsp. soda
pinch of salt
1/4 tsp. vanilla
1 egg
1 c. chocolate chips
1 can sweetened condensed milk
1 Tbsp. butter
nuts (if desired)

Preparation

Mix first 7 ingredients.
Press 2/3 of the mixture into 13 x 9-inch pan.
Melt together chocolate chips, milk and butter.
Put over the crust and cover with remaining crumbs.
Bake at 350\u00b0 for 20 minutes.