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Desserts · Part 2 of 3: Instructions

Easy Slow Cooker Pumpkin Dump Cake Step-by-step instructions

A warm, steaming pumpkin dump cake served in a white bowl against a blurred kitchen background.
Prep
Cook
Total
Serves
8
Includes 10 min resting

Before you start

Before beginning, ensure the slow cooker ceramic insert is dry and free of debris. Have the pumpkin puree and evaporated milk ready to pour, and slice the butter into thin, uniform pats to facilitate even melting.

Clear a space in the kitchen to allow for the slow cooker to sit undisturbed throughout the cooking process, as frequent movement or opening the lid will significantly increase the required cooking time.

Ingredients at a glance (4)
  • 1 can (15 oz) pumpkin puree
  • 1 cup evaporated milk
  • 1 packet (15.25 oz) dry spice cake mix
  • 3/4 cup unsalted butter, sliced into pats

Instructions

Mixing the base

  1. Prepare the Base
    Pour the pumpkin puree into the ceramic insert of the slow cooker. Add the evaporated milk to the pumpkin and stir gently with a spatula until the mixture is uniform and smooth.
    Look for The mixture should be thoroughly combined with no streaks of pumpkin or milk remaining.
    Tip Ensure the slow cooker insert is clean to prevent any unwanted flavors from affecting the delicate pumpkin taste.

The base should be a smooth, consistent mixture of pumpkin and milk. Ensure there are no large lumps of pumpkin puree remaining before proceeding to the layering phase, as this ensures uniform cooking throughout the duration of the cycle.

Layering the ingredients

  1. Layer the Ingredients
    Evenly sprinkle the dry spice cake mix over the pumpkin and milk mixture. Place the sliced butter pats across the entire surface of the cake mix, ensuring good coverage.
    Look for The cake mix should be evenly distributed across the surface without any large dry mounds remaining.
    Tip Distribute the butter slices uniformly to ensure the cake mix hydrates evenly during the cooking process.

The cake mix must be spread in an even layer across the pumpkin base. Ensure that the butter pats are distributed across the entire surface area.

This ensures that every portion of the cake mix receives adequate moisture and heat to transform properly.

Slow cooking

  1. Cook and Serve
    Cover the slow cooker with its lid and cook on low for 3 hours. Once finished, turn off the heat and allow the cake to rest for 10 minutes before serving warm.
    Look for The edges should look set and slightly golden, while the center remains moist and fragrant.
    Tip Do not lift the lid during the first 2 hours to maintain consistent heat and ensure the cake cooks through properly.

The cake should be aromatic and look set around the edges. Before serving, verify that the center has solidified and is no longer liquid. Allow the cake to rest for 10 minutes to help the structure settle, which makes serving much easier.

Common mistakes

A common mistake is opening the lid too frequently, which releases essential steam and heat, causing the cake to take much longer to cook or resulting in a gummy texture.

Another error is failing to spread the butter pats evenly, which leaves parts of the cake mix dry and unbaked. Finally, using a slow cooker that is too large can spread the ingredients too thinly, leading to rapid evaporation and a dry final product.

How to tell it’s done

The pumpkin dump cake is finished when the edges are firm and have taken on a slightly golden-brown appearance. The center should be set but remain moist and glossy.

Because this is a dessert, internal temperature is not the primary indicator of doneness; instead, look for the cake to have pulled slightly away from the edges of the ceramic insert, indicating that the structure has formed and the moisture has been absorbed.

Coming up in Part 3: common questions

  • Can this cake be made in a smaller slow cooker?
  • Is it possible to use a different flavor of cake mix?
  • Why is the cake mix still powdery after cooking?

Also in Part 3: variations (Nutty Pumpkin Cake, Caramel Pumpkin Cake), storage and make-ahead, and the printable recipe card.

Up next · Part 3 of 3

2 variations · storage & make-ahead · 3 answers · printable card

Tips, FAQ & printable recipe (Part 3)← Back to the ingredients (Part 1)