Tweed Squares

Bottom
½ c butter
½ tsp salt
2/3 c sugar
½ c milk
1 1/3 c flour
2 egg whites
2 tsp baking powder
2 squares semi-sweet chocolate, grated

Middle
2 egg yolks
1 ½ c icing sugar
1/3 c margarine

Top
2 squares semi-sweet chocolate
2 Tbsp margarine

Mix bottom, folding in whites last. Bake 350 for 25 minutes. Cool.
Mix middle, spread on bottom. Melt top, pour over top of squares. Refrigerate.