There are chocolate desserts that require precision, patience, and a sink full of dishes. Then there is this one. This Slow Cooker Hot Cocoa Brownie Pudding delivers all the rich, gooey, chocolatey satisfaction of a from-scratch brownie pudding with almost no work and just four ingredients. It is the kind of dessert that feels like a secret—so simple that no one will believe how good it is until they take their first bite.
The magic happens inside the slow cooker. Dry brownie mix forms the base. A mixture of milk, instant hot cocoa mix, and vanilla is poured over the top. Dollops of marshmallow creme create a sweet, fluffy topping. As the dessert cooks, the layers transform: the bottom becomes a fudgy, pudding-like sauce, the middle bakes into soft, gooey brownie, and the top forms a marshmallow-studded crust that is pure nostalgia.
This dessert is perfect for busy weeknights, potlucks, or any time you need to satisfy a chocolate craving without turning on the oven. Serve it warm, straight from the slow cooker, with a scoop of vanilla ice cream or a drizzle of chocolate syrup. It is indulgent, effortless, and utterly irresistible.
Why You’ll Love This Recipe
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Only 4 simple ingredients (plus any required brownie mix ingredients)
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Set-it-and-forget-it slow cooker convenience
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No oven required
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Rich, fudgy, gooey, and chocolatey
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The marshmallow creme creates a nostalgic, fluffy topping
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Perfect for feeding a crowd
Slow Cooker 4-Ingredient Hot Cocoa Brownie Pudding
Prep Time: 5 minutes | Cook Time: 2-2.5 hours on HIGH | Resting Time: 10 minutes | Total Time: Approximately 2.5 hours
Yield: 8 servings
Ingredients
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1 box (about 18-19 ounces) brownie mix, plus any ingredients called for on the box if required for preparation
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2 cups whole milk
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1 packet (about 0.7-1 ounce) instant hot cocoa mix
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1 teaspoon vanilla extract
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1 jar (7 ounces) marshmallow creme
Instructions
1. Prepare the Slow Cooker:
Lightly spray the inside of a 4- to 6-quart slow cooker with nonstick cooking spray to help prevent sticking and make cleanup easier.
2. Add the Brownie Mix:
Pour the dry boxed brownie mix evenly into the bottom of the slow cooker. Do not prepare it as directed on the box; use the dry mix only and spread it into an even layer.
3. Make the Hot Cocoa Mixture:
In a medium bowl or large measuring cup, whisk together the whole milk, instant hot cocoa mix, and vanilla extract until the cocoa mix is fully dissolved and the mixture looks smooth.
4. Pour Over the Brownie Mix:
Slowly pour the hot cocoa mixture evenly over the dry brownie mix in the slow cooker, making sure to cover as much of the surface as possible. Do not stir; leaving the layers helps create that pudding-like texture.
5. Add the Marshmallow Creme:
Open the jar of marshmallow creme. Using a spoon or spatula, dollop the marshmallow creme over the top, then gently spread it so it mostly covers the surface. It does not need to be perfect—some gaps are fine and will let the chocolate bubble through.
6. Cook:
Cover the slow cooker with the lid and cook on HIGH for 2 to 2½ hours, or until the edges are set like soft brownies and the center is still glossy and pudding-like. Avoid lifting the lid during the first 90 minutes so the heat stays consistent.
7. Rest:
Once cooked, turn off the slow cooker and let the pudding sit, covered, for about 10 minutes to thicken slightly. The top will be gooey from the marshmallow creme, and the bottom will be soft and saucy, like hot fudge pudding.
8. Serve:
Spoon the hot cocoa brownie pudding into bowls, making sure to scoop down to the bottom for plenty of sauce. Serve warm with your favorite toppings.
Recipe Notes & Pro Tips
Do Not Prepare the Brownie Mix: This recipe uses the dry brownie mix straight from the box. Do not add the eggs, oil, or water called for on the box. The dry mix is what creates the pudding-like texture as it absorbs the hot cocoa mixture.
Whole Milk is Best: Whole milk provides the richest, creamiest result. Reduced-fat milk will work, but the pudding will be slightly less luscious. Non-dairy milks (almond, oat, soy) are not recommended, as they may not thicken properly.
Instant Hot Cocoa Mix vs. Drinking Chocolate: Use a standard packet of instant hot cocoa mix (like Swiss Miss or Nestlé). Do not use gourmet drinking chocolate or unsweetened cocoa powder, as they lack the sugar and emulsifiers that help the pudding set.
Do Not Stir: This is the most important rule. Layering the dry brownie mix, then pouring the liquid over the top without stirring creates the distinct pudding-on-the-bottom, brownie-on-top texture. Stirring would result in a uniform, less interesting dessert.
Marshmallow Creme Tips: Marshmallow creme can be sticky. To make it easier to spread, warm the jar in a bowl of hot water for 5 minutes before opening. Alternatively, microwave the opened jar for 10-15 seconds (remove any foil seal first).
Check for Doneness: The dessert is done when the edges are set and pulling away slightly from the sides of the slow cooker, and the center is still glossy and wobbly. Overcooking will dry out the brownie layer and make the pudding too thick.
Variations
Peppermint Hot Cocoa Pudding: Add ½ teaspoon of peppermint extract to the hot cocoa mixture. Garnish with crushed candy canes before serving.
Salted Caramel Brownie Pudding: Drizzle ½ cup of caramel sauce over the marshmallow creme before cooking. Sprinkle with flaky sea salt after baking.
Peanut Butter Cup Pudding: Dollop ½ cup of creamy peanut butter over the marshmallow creme before cooking. The peanut butter melts into the chocolate for a Reese’s-inspired treat.
S’mores Brownie Pudding: After cooking, sprinkle 1 cup of mini marshmallows and ½ cup of crushed graham crackers over the top. Cover for 5 minutes to let the marshmallows soften, then serve.
Chocolate Cherry Pudding: Add ½ cup of cherry preserves or 1 cup of drained canned cherries to the slow cooker before adding the marshmallow creme.
Spiked Adult Version: Substitute ¼ cup of the milk with bourbon, rum, or Irish cream liqueur. Add it to the hot cocoa mixture before pouring.
Serving Suggestions
This pudding is rich and decadent on its own, but it shines with toppings:
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Vanilla ice cream (the classic pairing)
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Whipped cream
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Chocolate syrup or caramel sauce
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Fresh berries (raspberries or strawberries)
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Chopped nuts (walnuts, pecans, or almonds)
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A dusting of powdered sugar or cocoa powder
For the ultimate indulgence, serve warm with a scoop of vanilla ice cream melting into the fudgy sauce.
Storage & Reheating
Store leftovers in an airtight container in the refrigerator for up to 5 days. The pudding will thicken as it cools but will remain delicious.
To reheat, scoop individual portions into a microwave-safe bowl and microwave in 30-second bursts until warm. You can also reheat the entire dish in the slow cooker on LOW for 30-45 minutes.
This dessert does not freeze well, as the texture becomes grainy upon thawing.
Why This Recipe Works
The slow cooker is an unconventional vessel for dessert, but it is perfect for this pudding. The gentle, even heat allows the dry brownie mix to slowly absorb the liquid, creating layers of different textures. The bottom, in contact with the most heat, becomes a thick, fudgy sauce. The middle, partially submerged, becomes soft, gooey brownie. The top, exposed to steam but not direct heat, stays cake-like and is crowned with sweet, melty marshmallow creme.
The combination of brownie mix and hot cocoa mix might seem redundant, but each serves a distinct purpose. The brownie mix provides structure and deep chocolate flavor. The hot cocoa mix adds additional sweetness and contains emulsifiers and cornstarch that help thicken the pudding. Together, they create a dessert that is far greater than the sum of its parts.
This recipe is proof that the slow cooker is not just for stews and roasts. It is also for the kind of dessert that makes people close their eyes and say “oh my goodness” after the first bite. It is easy, it is magical, and it will earn a permanent place in your dessert rotation.