1/4 c. butter
1 c. brown sugar
1 egg
1/2 c. flour
1 tsp. vanilla
1 tsp. baking powder
1/2 tsp. salt
1/2 c. or 1 c. walnuts

Melt butter thoroughly on low heat. Melt brown sugar with butter until creamy. Set aside to cool. After cooling, add egg, vanilla, flour, baking powder, and salt. Mix well. Add walnuts. Pour into 9 x 9 inch pan at 350 degrees for 20 to 25 minutes.