1/4 c. butter
1 c. dark brown sugar
1 egg
1/4 tsp. salt
3/4 c. cake flour
1 tsp. baking powder
1/2 tsp. vanilla
1/2 c. chopped nuts

Melt butter. Add everything else. Spread in buttered 8x8 pan and bake in 350 degree oven for 25 minutes.