-chopped into bits, -about 1 cup Preheat the oven to 180ºC . Combine the flour, 1 cup sugar and half cup softened butter in the medium bowl of an electric mixer. On low speed, beat the mixture until mixed. On medium speed, beat the mixture until smooth, 3 to 4 minutes. Pat the mixture evenly over the bottom of an ungreased 9 X 13 X 5 cm baking dish. Spread the pecans evenly over this mixture. Combine the two third cup butter with the remaining half cup sugar in a medium saucepan. Heat to boiling, stirring constantly, over medium heat. Boil 1 minute. Spread evenly over crust in pan. Bake until golden and bubbly, about 18 minutes. Remove the bars from the oven and immediately sprinkle the chocolate bits over the top. Allow to melt slightly and then, using the sharp point of a knife, cut through the chocolate, making swirls. Do not spread the chocolate. Cool completely on a wire rack before cutting into bars. MAKES: ABOUT 36 BROWNIES