1 1/2 sticks melted butter
3 c. brown sugar, packed
3 eggs
3 c. flour
3 tsp. baking powder
1/2 tsp. salt
2 tsp. vanilla
3/4 c. chopped nuts

Cream butter and sugar; add eggs and beat until well mixed. Add dry ingredients mixing well. Stir in vanilla and nuts. Spoon mixture into greased 13 x 9 inch pan. Cook at 350 degrees for 30 minutes or longer if needed.