Grandma’s Pumpkin Dump Cake

By Kate Shungu ● Updated November 1, 2025

This recipe for Grandma’s Pumpkin Dump Cake tastes like pumpkin pie meets a buttery crumb cake. It’s cozy, nostalgic, and perfect for fall.

slice of cake with a pumpkin layer on the bottom, a cake layer in the middle, and pecans and whipped cream on top.
woman scooping pistachio salad into a parfait dish, with colorful vintage bowls in the background.
Kate’s Recipe Notes

Grandma’s recipe book is a treasure trove of well-loved recipes, and this one is no exception! It’s from a newspaper clipping titled “Pumpkin Pie Cake”, which I think is more accurately described as Pumpkin Dump Cake

The recipe follows the classic cherry dump cake instructions of sprinkling cake mix and drizzling butter over the top, which bakes into a sweet, cobbler-like topping with crisp, golden brown edges. The bottom layer is essentially pumpkin pie, and the cake mix topping complements it perfectly.

I’ve made it both with and without pecans, and I love the crunch and toasted flavor that they add to the top.

Enjoy! Kate
newspaper clipping with a recipe for pumpkin pie cake.
Grandma’s recipe clipping. Scroll down to the recipe card below for clarity on the Milnot!
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What You’ll Need

pumpkin puree, pumpkin pie spice, cake mix, butter, and other ingredients.
  • The recipe originally called for Milnot, which is a type of evaporated milk that is now difficult to find. I substituted a 12-ounce can of regular evaporated milk.
  • Be sure that the pumpkin is the purée and not the pie filling, which will make it too sweet.

How to Make Pumpkin Dump Cake

  1. Whisk together the pumpkin purée, eggs, pumpkin pie spice, evaporated milk, salt, and sugar. Pour into a greased 13×9-inch baking dish.
  2. Sprinkle the dry cake mix over the top.
  3. Pour melted butter over the top, and top with the pecans.
  4. Bake for one hour at 350°F.
slice of layered pumpkin dessert with whipped cream and pecans on top.

📖 Recipe

slice of cake with a pumpkin layer on the bottom, a cake layer in the middle, and pecans and whipped cream on top.

Grandma’s Pumpkin Dump Cake

Published by Kate
This classic dump cake recipe features a pumpkin pie layer topped with a buttery cake topping, plus pecans for crunch.
No ratings yet
Prep Time 15 minutes
Cook Time 1 hour
Total Time 1 hour 15 minutes
Course Dessert
Cuisine American
Servings 15 servings
Calories 417 kcal

Ingredients
  

  • 1 can (15 oz) pumpkin purée
  • 4 eggs
  • 2 teaspoons pumpkin pie spice
  • 1 can (12 oz) evaporated milk
  • ¾ teaspoon salt (reduce to ¼ teaspoon if using salted butter)
  • cups sugar
  • 1 box yellow cake mix
  • 1 cup (2 sticks) unsalted butter, melted
  • Optional: 1 cup chopped pecans

Instructions
 

  • Preheat oven to 350°F. Grease a 13×9-inch baking dish.
  • In a large bowl, whisk together the pumpkin purée, eggs, pumpkin pie spice, evaporated milk, salt, and sugar. Pour into the greased baking dish.
    1 can (15 oz) pumpkin purée, 4 eggs, 2 teaspoons pumpkin pie spice, 1 can (12 oz) evaporated milk, ¾ teaspoon salt, 1½ cups sugar
  • Sprinkle the cake mix over the top. Then, pour the melted butter on top of the cake mix. Sprinkle the nuts on top, if using.
    1 box yellow cake mix, 1 cup (2 sticks) unsalted butter, melted, Optional: 1 cup chopped pecans
  • Bake for 1 hour and 15 minutes, or until gold brown on the edges. Cool completely to cut into squares, or scoop with a spoon to serve warm from the oven (let it cool for 15 minutes first, though).
  • Serve with whipped cream or ice cream, if you'd like.

Notes

Don’t have pumpkin pie spice? You can substitute 1 teaspoon cinnamon, ½ teaspoon ground ginger, ¼ teaspoon nutmeg, and ⅛ teaspoon cloves.
Store leftovers at room temperature or in the fridge. It’ll get a bit softer on top on day 2 or 3, but still be tasty. You can also freeze this dessert.
Change it up by using a spice cake mix instead.

Nutrition

Calories: 417kcalCarbohydrates: 54gProtein: 5gFat: 21gSaturated Fat: 10gPolyunsaturated Fat: 2gMonounsaturated Fat: 7gTrans Fat: 1gCholesterol: 83mgSodium: 412mgPotassium: 195mgFiber: 2gSugar: 39gVitamin A: 4912IUVitamin C: 2mgCalcium: 159mgIron: 2mg
Keyword pumpkin dump cake
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