1 c. melted butter
1 tsp. baking soda
2 c. light brown sugar
3 eggs
3 1/2 to 4 c. flour
1/4 tsp. baking powder
1 tsp. vanilla

Mix butter and soda. Add brown sugar. Beat in eggs. Add flour, baking powder, and vanilla. Drop on ungreased cookie sheet. Bake at 350 degrees for 8 minutes.