Double Chocolate Chip Brownies

2 c (12oz) semi sweet chocolate chips, divided

½ c butter or margarine, cut into pieces

3 lg eggs

1¼ c all purpose flour

1 cup sugar

1 tsp vanilla

¼ tsp baking soda

½c chopped nuts

Preheat oven to 350°F.  Grease 13x9 in baking pan.  Melt 1 c of the morsels and all of the butter in a large, heavy duty sauce pan over low heat; stir until smooth.  Remove from heat. Stir in eggs.  Stir in flour, sugar, vanilla and baking soda.  Stir in remaining 1 c chocolate chips and nuts.  Spread into prepared baking pan.  Bake for 18-22 min or until wooden toothpick comes out slightly sticky when inserted into the center. Cool completely in pan on wire rack.  Cut into bars.