4 Squares unsweetened chocolat 1/2 lb Butter or Parkay margarine 2 c Sugar 1 c Flour 4 Eggs 2 ts Vanilla 1 c Nuts, chopped 1 c Semisweet chocolate chips Melt Chocolate and butter together in a small saucepan over low heat. In a large bowl, mix sugar, flour, eggs and vanilla. Add melted chocolate mixture and mix well. Stir in nuts and chocolate chips. Pour into greased 9x13-inch pan. Bake at 350 degrees for 30 to 32 minutes. Test corners to see if done, as center will seem gooey. Cool 30 minutes. refrigerate for 1 1/2 to 2 hours. Cut into squares.