2To Make Topping: In a medium bowl combine brown sugar, melted butter or margarine, and chopped pecans. Mix well and set aside.
3To Make Carrot Custard: Steam carrots until tender. Drain and cool. Place cooled carrots in a blender or food processor and add eggs, condensed milk, pumpkin pie spice, and salt. Blend until smooth. Pour carrot mixture into pie shell. Sprinkle with pecan topping.
4Bake in preheated oven for 45 minutes or until toothpick inserted in center comes out clean.