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Desserts · Part 2 of 3: Instructions

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

A close-up of a spoon scooping warm lemon dump cake from an orange ceramic dish
Prep
Cook
Total
Serves
8
Includes 10 min resting

Before you start

Before beginning, ensure the slow cooker basin is clean and dry. Have the lemon pie filling and yellow cake mix ready at hand. Clear a space on the counter to allow for easy assembly without needing multiple bowls or utensils.

Verify that the slow cooker is plugged into a dedicated outlet and is ready to be set to the high heat setting for the duration of the cooking time. Having everything prepared beforehand makes the assembly process fast and efficient.

Ingredients at a glance (2)
  • 2 cans lemon pie filling, 21 ounces each
  • 1 box yellow cake mix, 15.25 ounces

Instructions

Layering the ingredients

  1. Prepare the filling
    Pour the two cans of lemon pie filling directly into the bottom of the slow cooker. Use a rubber spatula to spread the filling into an even layer, ensuring the base is fully covered.
    Look for The lemon filling should be evenly distributed across the bottom of the slow cooker basin.
    Tip Ensure the edges are covered to prevent the cake mix from scorching directly against the ceramic.

The lemon filling should be spread smoothly across the bottom of the slow cooker basin. It is crucial to create an even foundation so that the subsequent layers are distributed correctly. Ensure the sides of the basin are clear so the cake mix does not stick to the edges during the heating phase, which could lead to unwanted burning.

Adding the topping

  1. Add the topping
    Sprinkle the dry yellow cake mix evenly over the lemon filling. Do not stir the mixture. Ensure the cake mix is spread in a smooth, even layer across the entire surface of the lemon base.
    Look for The cake mix should completely cover the lemon filling without any visible gaps.
    Tip Spread the mix gently to avoid creating clumps that might not hydrate properly during the cooking process.

The yellow cake mix must be spread across the lemon filling without any mounds or clumps. Once the dry mix is level, check that the entire surface is covered uniformly. Ensure no large gaps remain, as this will help the entire surface cook and brown evenly during the heating process. A level layer is the key to a consistent texture.

Cooking and finishing

  1. Cook and serve
    Cover the slow cooker and cook on high for 2 to 3 hours, or until the edges are golden and bubbly and the center is set. Turn off the heat and allow the cake to rest for 10 minutes before serving warm.
    Look for The edges should be bubbling and golden brown, and the center should be firm to the touch.
    Tip Avoid lifting the lid frequently during the cooking time to keep the heat consistent and ensure the cake cooks through.

During the final phase, the cake should emit a fragrant, citrusy scent. Check the edges for a deep golden color and bubbling filling. Once finished, ensure the slow cooker is switched to the off position.

Letting the dessert rest for a few minutes is essential to allow the bubbling sauce to settle, making it easier to serve without it being excessively runny.

Common mistakes

A common mistake is stirring the ingredients after layering them, which disrupts the formation of the crust and can lead to a gummy texture. Another error is using a slow cooker that is too small, which can cause the filling to boil over the sides.

Ensure the cake mix is spread evenly to prevent dry spots on the surface. Finally, failing to allow the cake to rest after cooking can make it difficult to scoop, as the lemon sauce needs a few minutes to stabilize.

How to tell it’s done

The lemon dump cake is done when the edges are visibly bubbling and have turned a deep golden brown. The center should be set and appear moist but not liquid. A light golden crust will have formed on top where the cake mix has absorbed the fruit juices.

The texture should be consistent throughout, with the fruit base being hot and bubbly. Allow it to rest briefly, which helps the sauce thicken slightly, making it much easier to portion and serve.

Coming up in Part 3: common questions

  • Can a different cake mix be used?
  • Why is the cake mix still dry after cooking?
  • Is it possible to cook this on low heat?

Also in Part 3: variations (Berry Lemon Twist, Citrus Zest Topping), 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)