Melt 1 and 1/3 sticks of butter or oleo with 1 box of light brown sugar, add 3 eggs, one at a time and beat. Sift 2 and 3/4 cups cake flour with 2-1/2 tsp. baking powder and 1/2 tsp. salt. Add 1 cup nuts and mix into butter mixture. Add a package of chocolate chips and one teaspoon vanilla. Bake at 350 degrees for 30-35 minutes.