Step 1

Preheat oven to 350 degrees C (175 degrees C). Coat a 15x10 inch jelly roll pan with non-stick spray.

Step 2

In a large mixing bowl, on low speed, combine cake mix, 1 egg, margarine, and 2 teaspoons pumpkin pie spice until crumbly. Press onto bottom of prepared pan.

Step 3

In another large mixing bowl, beat cream cheese until fluffy. Gradually beat in sweetened condensed milk, then remaining two eggs, pumpkin, remaining 2 teaspoons pumpkin pie spice, and salt; mix well. Pour over crust; sprinkle with pecans.

Step 4

Bake 30 to 35 minutes, or until set.

Step 5

Cool, then chill in refrigerator. Cut into squares. Store covered in refrigerator.