Pumpkin Jello

1 small box lemon gelatin
1 cup hot water
2 tablespoons granulated sugar
1/4 teaspoon pumpkin pie spice
1 cup canned pumpkin (not pie mix)
1 small container Cool Whip
1/2 cup chopped pecans

Dissolve gelatin in boiling water; add sugar and spice. Add pumpkin, mixing well. Chill until slightly thickened. Fold in Cool Whip and nuts. Pour into mold or bowl and refrigerate until firm.