1 lb. brown sugar
1/2 c. butter
2 eggs
2 c. flour
1 tsp. baking soda
1 tsp. baking powder
1 lg. pkg. chocolate chips

Melt butter. Add sugar. Beat and add eggs; beat again. Add flour, soda and powder. Mix. Add chips. Put in greased 9 x 12 inch pan (or larger). bake at 350 degrees for 35-45 minutes (depending on size of pan).