2 c. flour
3/4 c. brown sugar
2 tsp. vanilla
3/4 c. butter
3/4 c. sugar
1 tsp. baking powder
3 eggs
1 tsp. salt
2 c. chocolate chips

Cream butter, sugar, eggs and vanilla. Mix flour and sugars; add chips. Spread in well-greased 9x13 pan. Bake at 350 degrees for 30-35 minutes.