Meanwhile, in small saucepan, heat condensed milk and chocolate chips over medium heat, stirring constantly, until chips are melted and mixture is smooth. Pour over warm brownie base. Drop teaspoonfuls of raspberry preserves on condensed milk mixture. Sprinkle with pecans. Bake 18 to 20 minutes longer or until top is set. Cool completely, about 1 hour. Use foil to lift from pan. Cut into 6 rows by 4 rows.