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Desserts · Part 2 of 3: Instructions

Slow Cooker Reese’s Molten Brownie Pudding Step-by-step instructions

Close-up of a molten Reese's brownie pudding in a slow cooker with chocolate sauce.
Prep
Cook
Total
Serves
8
Includes 10 min resting

Before you start

Before beginning, ensure that your slow cooker is clean and ready for use. Gather all ingredients, including the brownie mix, peanut butter, and miniature candy cups. Prepare the brownie batter according to the instructions on the box.

Have your measuring cups ready for the hot cocoa water, and ensure you have a spatula for swirling the ingredients. Preparing your workspace by clearing the area around the slow cooker will make the layering process smooth and efficient, allowing you to assemble the dessert quickly before starting the cooking cycle.

Ingredients at a glance (6)
  • 1 box fudge brownie batter, prepared per package instructions
  • 20 miniature Reese's peanut butter cups
  • 1/2 cup creamy peanut butter
  • 1 cup hot cocoa water
  • vanilla ice cream, for serving
  • 1/2 cup chopped Reese's peanut butter cups, for serving

Instructions

Assembly and Layering

  1. Layering the ingredients
    Grease the interior of the slow cooker thoroughly. Pour the prepared fudge brownie batter into the base of the slow cooker. Press the miniature Reese's peanut butter cups evenly into the center of the batter. Swirl the creamy peanut butter throughout the mixture using a spatula to create ribbons. Finally, pour the hot cocoa water over the top of the entire mixture, ensuring it is evenly distributed to help the pudding texture form.
    Look for The mixture should look layered with batter, peanut butter swirls, and the chocolate cups submerged in the center.
    Tip Use a non-stick cooking spray to ensure the brownie edges do not stick to the sides of the slow cooker during the long cook time.

At the end of this phase, the slow cooker should contain a smooth layer of brownie batter topped with evenly spaced peanut butter cups and swirling ribbons of creamy peanut butter. The hot cocoa water should be poured over the top, creating a thin layer across the surface. Ensure the ingredients are distributed evenly so that the heat can penetrate uniformly. Check that the sides of the slow cooker are well-greased before you begin the cooking process to ensure easy removal later.

Slow Cooking Cycle

  1. Slow cooking the dessert
    Cover the slow cooker with its lid and set the heat to HIGH. Allow the brownie pudding to cook undisturbed for 2.5 hours. During this time, the edges will firm up while the center remains molten and the peanut butter creates a rich, fudge-like sauce throughout the dessert. Monitor the edges to ensure the brownie top develops a nice crackled texture as it bakes through.
    Look for The brownie top should be set and cracked, with a bubbling chocolate and peanut butter sauce visible around the edges.
    Safe temperature 160°F (71°C) internal temperature (egg dishes)
    Tip Avoid lifting the lid frequently, as heat escapes and can affect the final texture of the brownie pudding.

During the cooking cycle, the brownie pudding undergoes a transformation. The batter will rise, and the top should begin to crack and set. You may notice a rich, chocolatey aroma filling the kitchen. Check that the edges are bubbling slightly, which indicates the molten sauce is developing correctly.

Avoid lifting the lid to peek inside, as this disrupts the internal temperature and moisture levels required for the perfect pudding texture. The final look should be a set, crackled brownie top with visible sauce.

Final Resting and Serving

  1. Serving the molten pudding
    Once the cooking time is complete, carefully remove the lid. Let the pudding rest for about 10 minutes to allow the sauce to thicken slightly. Scoop portions into individual bowls while still warm. Top each serving with a generous scoop of vanilla ice cream and a sprinkle of chopped Reese's peanut butter cups for added texture and flavor contrast.
    Look for The center should be soft and molten, contrasting with the slightly firmer brownie edges, and the ice cream should begin to melt slightly upon contact.
    Tip Serve immediately while warm to fully enjoy the molten texture of the fudge and peanut butter sauce.

Once the cooking is finished, the dessert should be allowed to rest for 10 minutes. This resting phase is crucial, as it allows the molten sauce to thicken slightly and makes serving much easier. The finished pudding should have a warm, molten center that contrasts beautifully with the firmer brownie edges. When serving, ensure the ice cream is added just before eating so it melts slightly into the warm pudding. The texture should be a perfect balance of soft, fudgy, and creamy.

Common mistakes

Avoid overcooking the brownie pudding, as this will lead to a dry, cake-like texture rather than the desired molten pudding consistency. Cooking for longer than the recommended 2.5 hours on high can cause the edges to become hard and burnt.

Additionally, do not open the lid during the cooking process, as the loss of trapped steam will prevent the pudding from setting properly. Another common mistake is failing to grease the slow cooker, which makes serving difficult and ruins the presentation of the molten layers.

How to tell it’s done

The brownie pudding is done when the edges are firm and have pulled slightly away from the sides of the slow cooker, and the top has a crackled, set appearance. The center should still look soft and slightly jiggly, which indicates that the molten fudge and peanut butter sauce has formed correctly.

Ensure the internal temperature of the egg-containing batter reaches 160°F (71°C) to ensure it is cooked through while maintaining that signature molten center. Let it rest for 10 minutes before serving to allow the sauce to settle.

  • Egg dishes: 160°F (71°C) in the thickest part

Coming up in Part 3: common questions

  • Can this be made ahead of time?
  • Is it necessary to use hot water?
  • What size slow cooker works best?

Also in Part 3: variations (Dark Chocolate Sea Salt, Nutty Crunch), 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)