1/2 c. butter
1 c. + 1 tbsp. brown sugar
1 egg
1 1/3 c. flour
1 tsp. baking powder
1/2 tsp. salt
1 tsp. vanilla
1/2 c. chopped nuts (optional)

Cream butter with sugar. Add egg and vanilla. Add rest and blend. Bake in greased 9 x 9 inch pan. Bake at 350 degrees for 25 to 30 minutes. Cut warm.