If you are a die-hard fan of the classic chocolate and peanut butter combo, then I have a treat you are going to adore: the Reese’s Peanut Butter Cup Chocolate Cake (Crockpot) Recipe. This dessert is pure magic, marrying moist chocolate cake with the irresistible pockets of chopped Reese’s Peanut Butter Cups. The slow cooker method means you get a hands-off baking experience while creating a wonderfully rich and fudgy texture that melts in your mouth. Whether you’re after a crowd-pleaser for family gatherings or a cozy, comforting sweet fix, this recipe will quickly become your new favorite go-to.

Ingredients You’ll Need

The image shows four pictures in a grid on a white marbled surface. The first picture has ingredients arranged neatly: a small white bowl with peanut butter, two eggs, a bag of brownie mix, a small bottle of vanilla, and a clear glass bowl with sugar. The second picture shows a glass bowl with chocolate batter, smooth and well mixed, from above. The third picture has a round black cake pan with a thick, dark brown baked chocolate cake that looks soft and moist. The fourth picture shows the same black pan on a white marbled surface, now filled with a light yellowish dough base topped with small pieces of chopped peanut butter cups scattered evenly. Photo taken with an iphone --ar 4:5 --v 7

Gathering a handful of simple, pantry-friendly ingredients is all it takes to bring this delight to life. Each component plays a vital role: from enriching the cake’s texture to infusing layers of creamy, peanut buttery sweetness that dance alongside deep chocolate notes.

Chocolate cake mix: The base of the cake, giving you moist crumb and intense chocolate flavor with ease.

Ingredients required for cake mix (eggs, oil, water): These add moisture and structure, ensuring a cakey yet tender bite.
1 cup milk: Adds extra creaminess to the batter, making it rich and velvety.
1 package instant chocolate pudding mix: Boosts the chocolate punch and keeps the cake wonderfully soft.

1 cup mini Reese’s Peanut Butter Cups, chopped: The hero ingredient; these pockets of peanut butter goodness melt slightly inside the cake for surprise bites of joy.
1/2 cup chocolate chips: Provides gooey chocolate bursts throughout.
1/2 cup peanut butter chips: Adds an extra layer of peanut flavor and a lovely textural contrast.

How to Make Reese’s Peanut Butter Cup Chocolate Cake (Crockpot) Recipe

Step 1: Prepare the Crockpot

Start by spraying the inside of your crockpot with nonstick cooking spray. This simple step ensures your decadent cake won’t stick, making cleanup a breeze after you indulge.

Step 2: Mix the Batter

Follow the instructions on your chocolate cake mix box, combining eggs, oil, and water accordingly. To amp up the decadence, stir in the cup of milk along with the dry instant chocolate pudding mix until you have a smooth, irresistible batter.

Step 3: Fold in the Goodies

Gently fold the chopped mini Reese’s Peanut Butter Cups, chocolate chips, and peanut butter chips into the batter. This is where the Reese’s Peanut Butter Cup Chocolate Cake (Crockpot) Recipe really shines—the mix-ins guarantee a delightful texture and flavor explosion in every bite.

Step 4: Cook Low and Slow

Pour the luscious batter into your prepared crockpot, cover it, and cook on low for about 2 to 2 and a half hours. Patience is key here—the slow cooking process allows the cake to set perfectly and develop moist richness without drying out.

Step 5: Cool and Serve

When the cooking time is up, turn off your crockpot and let the cake cool slightly inside before serving. This cooling helps the flavors settle and makes it easier to slice into generous portions. This Reese’s Peanut Butter Cup Chocolate Cake (Crockpot) Recipe is best enjoyed warm.

How to Serve Reese’s Peanut Butter Cup Chocolate Cake (Crockpot) Recipe

A close-up of a spoonful holding a rich, dark brown chocolate dessert with a thick smooth chocolate layer on top mixed with small bits of orange and yellow candy pieces. The texture shows some creamy and fudgy layers combined with chunks of moist chocolate cake beneath. The background features a white marbled surface with a soft brown and white checkered cloth slightly blurred. Photo taken with an iphone --ar 4:5 --v 7

Garnishes

Enhance your presentation and taste by sprinkling extra chopped peanut butter cups on top for crunch and that signature Reese’s flair. A dollop of whipped cream or a scoop of vanilla ice cream adds a cool, creamy contrast that complements the warm, fudgy cake beautifully.

Side Dishes

This dessert shines on its own, but if you’re serving a full menu, pair it with fresh berries or a simple fruit salad to lighten the richness. Coffee or a cold glass of milk also makes the perfect accompaniment to this indulgent treat.

Creative Ways to Present

For a fun twist, turn this crockpot cake into a layered dessert by cutting it into cubes and serving it in parfait glasses layered with peanut butter mousse or chocolate ganache. Alternatively, drizzle warmed chocolate sauce over slices for an extra decadent touch that will wow guests.

Make Ahead and Storage

Storing Leftovers

Wrap leftover cake tightly with plastic wrap or store it in an airtight container in the refrigerator. It keeps well for up to 3 days, and the flavors often develop even more when given a little time to rest.

Freezing

If you want to save some for later, wrap the cooled cake in plastic wrap and then in foil before popping it in the freezer. It freezes nicely for up to 2 months without losing its delicious texture or flavor nuances.

Reheating

Reheat individual slices gently in the microwave for about 20 to 30 seconds or until warm. This quickly brings back the gooey, melty quality that makes the Reese’s Peanut Butter Cup Chocolate Cake (Crockpot) Recipe such a delight.

FAQs

Can I use regular peanut butter cups instead of mini ones?

Absolutely! Just chop regular-sized peanut butter cups into smaller pieces before folding them into the batter to ensure even distribution and delightful bites throughout the cake.

Do I need a specific size crockpot for this recipe?

A standard 4- to 6-quart crockpot works perfectly. Too large a crockpot may spread the batter too thin and affect cooking time, so aim for mid-size for best results.

Can I substitute the instant chocolate pudding mix?

The pudding mix adds moisture and richness, but if you don’t have it on hand, you can try adding a tablespoon of cocoa powder and a bit more milk to keep the texture moist, though the flavor won’t be quite the same.

Is this recipe gluten-free?

This version uses a standard chocolate cake mix which typically contains gluten. For a gluten-free alternative, choose a certified gluten-free cake mix and pudding mix.

How can I avoid overcooking the cake in the crockpot?

Check the cake around the 2-hour mark by inserting a toothpick. If it comes out clean or with a few moist crumbs, it’s done. Crockpot temperatures can vary, so it’s best to keep an eye on it to prevent drying out.

Final Thoughts

I can honestly say that the Reese’s Peanut Butter Cup Chocolate Cake (Crockpot) Recipe is a total game-changer when you want a luscious, indulgent dessert without fuss. The combination of peanut butter and chocolate is timeless, but slow cooking it brings a new level of moistness and flavor depth that’s hard to beat. Trust me, once you try this, it will be a cherished staple in your dessert lineup—perfect for cozy nights in or impressing guests with minimal effort.

Reese’s Peanut Butter Cup Chocolate Cake (Crockpot) Recipe

5 Stars 4 Stars 3 Stars 2 Stars 1 Star

3.9 from 82 reviews

Author: Chef
Total Time: 2 hours 40 minutes
Yield: 8 servings
Diet: Vegetarian

Print Recipe

Description

Reese’s Peanut Butter Cup Chocolate Cake is a rich and indulgent dessert made effortlessly in the crockpot. This moist and decadent chocolate cake is packed with chopped mini Reese’s Peanut Butter Cups and a luscious combination of chocolate and peanut butter chips, topped with a creamy chocolate sauce. Perfect for peanut butter and chocolate lovers seeking a cozy slow-cooked treat.

Ingredients

Cake Mix Ingredients

1 box chocolate cake mix
Ingredients required for cake mix (eggs, oil, water as per box instructions)

Additional Ingredients

1 cup milk
1 package instant chocolate pudding mix
1 cup mini Reese’s Peanut Butter Cups, chopped
1/2 cup chocolate chips
1/2 cup peanut butter chips

Cook Mode Prevent your screen from going dark

Instructions

Prepare Crockpot: Spray the inside of the crockpot with nonstick cooking spray to prevent sticking and ensure easy serving.
Mix Cake Batter: Prepare the chocolate cake mix according to the package instructions, including the required eggs, oil, and water. Stir in 1 cup of milk and the dry instant chocolate pudding mix until the batter is smooth and fully combined.

Add Mix-ins: Gently fold in the chopped mini Reese’s Peanut Butter Cups along with the 1/2 cup chocolate chips and 1/2 cup peanut butter chips to distribute them evenly throughout the batter.
Cook the Cake: Pour the batter into the prepared crockpot. Cover with the lid and cook on low for 2 to 2 1/2 hours, checking around 2 hours for doneness, until the cake is set in the center and a toothpick inserted comes out clean or with moist crumbs.
Cool and Serve: Turn off the crockpot and allow the cake to cool slightly inside before serving. This cake is delicious when served warm and can be topped with whipped cream or vanilla ice cream for an extra indulgence.

Notes

Use a crockpot liner for easy cleanup and to prevent sticking.
Check the cake after 2 hours of cooking to avoid overcooking which can dry out the cake.
Garnish with extra chopped peanut butter cups or additional chocolate chips for presentation and flavor boost.

Prep Time: 10 minutes
Cook Time: 2 hours 30 minutes
Category: Dessert
Method: Slow Cooking
Cuisine: American