1In a large saucepan, combine butter and brown sugar over medium heat until sugar is dissolved. In a small bowl, beat eggs and vanilla. Gradually add hot sugar mixture, stirring constantly, Combine flour, baking powder; gradually add to the batter mixture and mix well. Stir in pecans.
2Spread into a greased 13 in. x 9 in. baking pan. Bake at 350 degrees for 20 to 25 minutes, or until toothpick inserted near the center, comes out with a moist crumbs and edges are crisp. Dust with confectioners sugar if desired. Cut into bars.
Yield: 4 dozen.