Slow-Cooker Reese’s™ Peanut Butter Cup Swirl Cake – Get ready to indulge in a dessert that will have your taste buds dancing with joy! This Slow-Cooker Reese’s™ Peanut Butter Cup Swirl Cake is a heavenly creation that combines the classic flavors of peanut butter and chocolate in a moist and decadent cake. The best part? It’s made in a slow cooker, so you can set it and forget it while it transforms into a masterpiece. Prepare to be amazed by the rich flavors and irresistible swirls that will make this cake a favorite among your loved ones.
Let me tell you about how this cake has become an absolute favorite in my household. Whenever I make this mouthwatering dessert, the sweet aroma fills the kitchen, and it’s as if time slows down. My husband’s eyes light up with anticipation, and my little family gathers around the slow cooker, eagerly awaiting their slice of heaven. The first bite is always met with delighted smiles and satisfied murmurs. It has become a tradition, a symbol of love and joy in our home. This cake has the power to bring us together, to create cherished memories that we’ll treasure forever.
Why This Peanut Butter Cup Swirl Cake?
Indulge in the perfect harmony of creamy peanut butter, velvety chocolate, and moist cake. This recipe brings together all the irresistible elements that dessert lovers crave. Here’s what makes it truly exceptional:
- The Slow Cooker Magic: Let your slow cooker do the work while you relax. This cake cooks to perfection, allowing the flavors to meld together and create a moist, tender crumb that will melt in your mouth.
- Heavenly Swirls: With a luscious peanut butter batter and a rich chocolate fudge batter, this cake is a work of art. The swirling motion creates mesmerizing patterns that will leave you in awe and anticipation.
- Decadent Toppings: A velvety peanut butter glaze and a drizzle of chocolate syrup take this cake to the next level. The final touch of halved Reese’s peanut butter cups adds a delightful surprise in every bite.
Ingredients:
- 1 box Betty Crocker™ Super Moist™ Yellow Cake Mix (approx. 432g)
- 1 cup (240 ml) water
- 3 eggs
- 1/2 cup (120g) creamy peanut butter
- 1/3 cup (76g) softened butter
- 1/2 cup (120 ml) chocolate-flavored syrup
- 3 tablespoons (45g) creamy peanut butter (for topping)
- 2 to 3 tablespoons (30 to 45 ml) milk (for topping)
- 1 cup (120g) powdered sugar (for topping)
- 2 tablespoons (30 ml) chocolate-flavored syrup (for topping)
- 20 Reese’s peanut butter cups miniatures, unwrapped and cut in half
Directions:
Start by spraying a 5- to 6-quart oval slow cooker with cooking spray to prevent sticking.
In a large bowl, combine the yellow cake mix, water, eggs, 1/2 cup of peanut butter, and softened butter. Mix on low speed for 30 seconds, then switch to medium speed and beat for 2 minutes, scraping the bowl occasionally.
Transfer 2/3 cup of the batter to a medium bowl. Stir in 1/2 cup of chocolate syrup to create the chocolate fudge batter.
Spoon half of the peanut butter batter into the prepared slow cooker, followed by all of the chocolate fudge batter. Top it off with the remaining peanut butter batter. Use a knife to create swirls by gently swirling the batter in a circular motion.
Cover the slow cooker and cook on High heat setting for 1 hour 45 minutes to 2 hours 15 minutes, or until a toothpick inserted into the center of the cake comes out clean.
Once cooked, turn off the slow cooker and uncover it. Carefully remove the ceramic base from the cooker and place it on a cooling rack. Let the cake cool for about 15 minutes.
In a medium bowl, whisk together 3 tablespoons of peanut butter and 2 tablespoons of milk until smooth. Add powdered sugar and continue mixing until you achieve a smooth glaze. If needed, gradually add an additional tablespoon of milk to reach the desired consistency.
Spread the peanut butter glaze over the cake and drizzle it with the remaining chocolate syrup. Finally, sprinkle the halved Reese’s peanut butter cups on top of the cake for a delightful finishing touch.
Notes:
- For a personal touch, try experimenting with different flavors of syrup or using crunchy peanut butter for added texture.
- Serve the cake warm or at room temperature for the best taste experience.
- Store any leftovers in an airtight container in the refrigerator for up to 3 days.
In conclusion, this Slow-Cooker Reese’s™ Peanut Butter Cup Swirl Cake is a dessert that will capture your heart and taste buds. Its irresistible combination of peanut butter, chocolate, and moist cake creates a symphony of flavors that will leave you craving more. The convenience of using a slow cooker adds an element of ease to the baking process, allowing you to sit back and anticipate the delightful results. Whether it’s a special occasion, a family gathering, or simply a sweet treat to indulge in, this cake is sure to become a beloved favorite. So, gather your loved ones, create lasting memories, and savor each delectable bite of this heavenly creation. Give it a try, and prepare to be swept away by the sheer delight of this Slow-Cooker Reese’s™ Peanut Butter Cup Swirl Cake.
Frequently Asked Questions
Can I use a different cake mix flavor?
While the recipe is designed around a yellow cake mix, feel free to experiment with other flavors such as chocolate or devil’s food for a different twist.
Can I make this cake without a slow cooker?
The slow cooker method provides excellent results for this recipe, but if you don’t have one, you can try baking the cake in a regular oven. Adjust the baking time and temperature according to the instructions on the cake mix box for a loaf pan.
Can I use homemade peanut butter instead of store-bought?
Absolutely! Homemade peanut butter can add a unique flavor and texture to the cake. Just ensure it has a smooth consistency for best results.

Slow-Cooker Reese's™ Peanut Butter Cup Swirl Cake
Ingredients
- 1 box Betty Crocker™ Super Moist™ Yellow Cake Mix approx. 432g
- 1 cup 240 ml water
- 3 eggs
- 1/2 cup 120g creamy peanut butter
- 1/3 cup 76g softened butter
- 1/2 cup 120 ml chocolate-flavored syrup
- 3 tablespoons 45g creamy peanut butter (for topping)
- 2 to 3 tablespoons 30 to 45 ml milk (for topping)
- 1 cup 120g powdered sugar (for topping)
- 2 tablespoons 30 ml chocolate-flavored syrup (for topping)
- 20 Reese's peanut butter cups miniatures unwrapped and cut in half
Instructions
- Start by spraying a 5- to 6-quart oval slow cooker with cooking spray to prevent sticking.
- In a large bowl, combine the yellow cake mix, water, eggs, 1/2 cup of peanut butter, and softened butter. Mix on low speed for 30 seconds, then switch to medium speed and beat for 2 minutes, scraping the bowl occasionally.
- Transfer 2/3 cup of the batter to a medium bowl. Stir in 1/2 cup of chocolate syrup to create the chocolate fudge batter.
- Spoon half of the peanut butter batter into the prepared slow cooker, followed by all of the chocolate fudge batter. Top it off with the remaining peanut butter batter. Use a knife to create swirls by gently swirling the batter in a circular motion.
- Cover the slow cooker and cook on High heat setting for 1 hour 45 minutes to 2 hours 15 minutes, or until a toothpick inserted into the center of the cake comes out clean.
- Once cooked, turn off the slow cooker and uncover it. Carefully remove the ceramic base from the cooker and place it on a cooling rack. Let the cake cool for about 15 minutes.
- In a medium bowl, whisk together 3 tablespoons of peanut butter and 2 tablespoons of milk until smooth. Add powdered sugar and continue mixing until you achieve a smooth glaze. If needed, gradually add an additional tablespoon of milk to reach the desired consistency.
- Spread the peanut butter glaze over the cake and drizzle it with the remaining chocolate syrup. Finally, sprinkle the halved Reese's peanut butter cups on top of the cake for a delightful finishing touch.
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