'57 Chevy Yum-Yum Bars - cooking recipe

Ingredients

1 c. flour
1/2 c. brown sugar
1 tsp. cream of tartar
1/2 tsp. soda
1/2 c. butter
2 well beaten egg yolks
1/2 c. nuts
2 egg whites
1 tsp. vanilla
1 c. brown sugar

Preparation

Spread with nuts.
Beat egg whites until stiff.
Add vanilla and brown sugar.
Mix well.
Pour over the ingredients in pan and bake at 350\u00b0 for 25 minutes.
Cut into squares while warm with a hot knife.
(Keep knife hot by dipping in hot water.)