Prep 30 m | Cook 10 m | Ready In 1 h 20 m Ingredients 2 cups butter 2 cups brown sugar 2 eggs 2 teaspoons vanilla extract 1 teaspoon baking soda 1/2 teaspoon baking powder 1/2 teaspoon salt 3 cups all-purpose flour 2/3 cup chopped pecans 2 teaspoons vanilla extract 3 1/2 cups confectioners’ sugar 1/2 cup hot…