PUMPKIN DESSERT

1 (18.25 ounce)Box Yellow Cake Mix
1/3 Cup Butter or Marg., melted
1 Egg
1(29oz.) Can Pumpkin
1/2 Cup Brown Sugar
2/3 Cup Milk
3 Eggs
2 Tablespoons Pumpkin Pie Spice
1/4 Cup Butter, chilled
1/2 Cup Regular Sugar
3/4 Cup Walnuts Or 1 small pack

Preheat oven to 350. Spray a 9 x 13 baking dish. Set aside 1 cup of cake mix. Combine remaining cake mix with melted butter and 1 egg and mix until well blended. Spread mixture in the bottom of the baking dish. In a large bowl combine pumpkin, brown sugar, milk, 3 eggs and pumpkin pie spice mix. Mix well and pour this mixture over cake mix mixture in the baking dish. In a small bowl with a pasty blender, or food processor, combine chilled butter and the regular sugar with reserved cake mix until mixture resembles coarse crumbs. Sprinkle over pumpkin mixture. Sprinkle chopped walnuts over all. Bake 45 to 50 minutes until golden on top.