1 (18.25 Ounce) Package Yellow Cake Mix
⅓ Cup Butter, Melted
1 (29 Ounce) Can Pumpkin
½ Cup Brown Sugar
1 Cup Half n Half
2 Tablespoons Pumpkin Pie Spice
¼ Cup Butter, Chilled
½ Cup White Sugar
1 ½ Cup Chopped Walnuts ½ Cup Reserved
Step 1 Preheat oven to 350 degrees F (175 degrees C) and lightly grease a 9×13 inch baking dish.
Step 2 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 prepared baking dish.
Step 3 In a large bowl combine pumpkin, brown sugar, milk, 3 eggs and pumpkin pie spice; mix well Fold in 1 cup of nuts, and pour this mixture over cake mix mixture in baking dish.
Step 4 In a small bowl with a pastry blender, or in a food processor, combine chilled butter and white sugar with reserved cake mix until mixture resembles coarse crumbs. Sprinkle over pumpkin mixture. Sprinkle remaining chopped walnuts over all.
Step 5 Bake 45 to 50 minutes, until top is golden. Top with Whip Cream for Serving