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50 minutes

Reese’s Peanut Butter Cup Cake

Steph LoaizaWritten by:
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This Reese's Peanut Butter Cup Cake is so simple and full of chocolatey peanut butter flavor. It comes together in minutes, and is great for feeding a crowd. If you know a Reese's peanut butter cup fan, you need to send them this recipe.
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I have seen a few of these cakes lately and decided we better try one. The whole family is Reese’s Peanut Butter Cup lovers.
We can polish off a bag in no time.  So it seemed fitting to make this delicious Reese’s Peanut Butter cup cake.  This cake is loaded and will feed a crowd.
This Reese’s Peanut Butter Cup Dessert is so easy to make and full of peanut butter, chocolatey flavor. If you know a Reese’s Peanut Butter Cup fan, you need to send them this recipe, or better yet, deliver a piece (then you get to try it yourself).
This is a great recipe for feeding a crowd, and the presentation is beautiful.

could i make this cake using a DIFFERENT cake mix?

I am all about chocolate, however, you could easily switch out the chocolate cake mix for a vanilla or white.

We highly recommend giving either flavor a try because chocolate and white cake, are both delicious with this recipe.

what other frosting could i use with this cake recipe?

My family and I are the biggest frosting fans. We all love our frosting portion to be equivalent with our cake portion.

This recipe has a peanut butter buttercream frosting to it, but you could easily switch it up, and use a different frosting flavor.

Here are a few of our other favorite frostings to make this recipe with:

watch how to make another one of our favorite chocolate dessert recipes, here:

Did you know we have a Youtube Channel? We have hundreds of simple and delicious recipes, your family is going to love. We take you through each recipe, step by step, and show you exactly how to make them.

This No Bake Eclair Cake is light and rich and the same time. It is so rich and creamy, you won’t be able to resist. Plus that chocolate layer on top, really adds to the chocolatey goodness. It really is like an eclair in cake form.

Watch how to make this recipe, here:

Youtube video

Reese's Peanut Butter Cup Cake Recipe

This Reese's Peanut Butter Cup Cake is so simple and full of chocolatey peanut butter flavor. It comes together in minutes, and is great for feeding a crowd. If you know a Reese's peanut butter cup fan, you need to send them this recipe.
Serving10
Prep Time 20 minutes
Cook Time 30 minutes
Total Time 50 minutes
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Ingredients

Cake

  • 15.25 ounces Devil's Food Cake Mix, 1 package
  • 1¼ cups water
  • ½ cup vegetable oil
  • 3 eggs

Peanut Butter Buttercream Frosting

  • 1 cup powdered sugar
  • 1 cup peanut butter (creamy)
  • 5 Tablespoons butter, room temperature
  • ¾ teaspoon vanilla
  • ¼ teaspoon salt
  • ⅓ cup heavy cream
  • 20 ounces Reese's Mini Peanut Butter Cups, 1 package, divided

Equipment

Instructions

Cake

  1. Prepare cake as directed on box using two 9" cake pans.  Let cool.
  2. While cake is cooking, unwrap the mini Reese's peanut butter cups.
  3. With half of the peanut butter cups, cut them into quarters. Set aside.
  4. With the other half of the peanut butter cups, cut in half. Set aside.

Peanut Butter Buttercream Frosting

  1. In a large mixing bowl combine the powdered sugar, peanut butter, butter, vanilla, and salt in a bowl.
  2. Mix with an electric mixer on medium-low speed until creamy, scraping down the bowl with a rubber spatula as you work.
  3. Add the heavy cream and beat on high speed until the mixture is light and smooth.

Cake Assembly

  1. To assemble the cake, place one cake layer on the serving plate.
  2. Spread 1/3 of the peanut butter frosting on top of the cake layer. 
  3. Sprinkle with 1/2 of the quartered peanut butter cups
  4. Place the second cake layer on top of the frosting. Frost the top and outside of the cake with remaining peanut butter frosting.
  5. Spread out the other half of the quartered cups on top of the cake.
  6. With the halved peanut butter cups, decorate the top edge of the cake and if you have extra you could decorate around the bottom edge of the cake.

Notes

  • I am all about chocolate, however, you could easily switch out the chocolate cake mix for a vanilla or white.

Nutrition

Calories: 867 kcal · Carbohydrates: 80 g · Protein: 17 g · Fat: 58 g · Saturated Fat: 25 g · Trans Fat: 1 g · Cholesterol: 78 mg · Sodium: 809 mg · Potassium: 531 mg · Fiber: 5 g · Sugar: 58 g · Vitamin A: 396 IU · Vitamin C: 1 mg · Calcium: 135 mg · Iron: 3 mg
Cuisine: American
Course: Dessert
Did You Make This Recipe?We’d love to hear your thoughts! Leave a review or a question in the comment section below the post.

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Questions & Reviews

  1. Jocelyn says:

    mmmmm I am all about pb and chocolate. This cake looks fabulous!!!

  2. Dana from Our Life's Legacy says:

    Man oh man, that looks like trouble!

  3. Jess@Balancing The Dream says:

    this looks like what the angels eat!!! 🙂

  4. A Pretty Life in the Suburbs says:

    This looks so amazing! I love peanut butter cups and cake! It’s a match made in heaven!
    Jo-Anna

  5. Tonia @ TheGunnySack.com says:

    Yum!! I made brownies with peanut butter frosting last week and am putting a tutorial together for them. They were delicious!

  6. Angie@Echoes of Laughter says:

    Looks really yummy Ladies! You are making me hungry! Angie xo

  7. Haniela says:

    looks super delicious!

  8. The Full Circle Gardener says:

    So simple and looks so good! I love pb cups! YUM! 🙂

  9. Lori says:

    YUMMM!

  10. aprojectatatime says:

    Love this!

  11. Emilee says:

    Oh My Gosh! Yummmmm is all I can say! looks great!

  12. Rachel@I Heart Crafty Things says:

    I pretty much need counseling for how much I love peanut buttter so I think I have died and gone to Heaven after reading this post!! Found you from the link party and am your newest follower. Love your blog! Hope you’ll stop by and say hello and follow back.

  13. Bev says:

    Oh my, what better than peanut butter than chocolate. That looks so yummy. My son would just die for this he loves peanut butter cups.

  14. Mindie Hilton says:

    Yum love all the chocolate on your blog!
    I have a request. I have another give away that I have linked to a bunch of places but no entries so far. It’s for a bumble bee baby cocoon so I figure one of you six pretty girls could use it if you win. Thanks for your support.

  15. Amanda says:

    If reeses weren’t so blinking expensive here in the UK I would so be doing this! Looks wonderful.

  16. Kaycee says:

    This looks so great!!! Can’t wait to try it out! Thanks for sharing!!!

  17. ladybehindthecurtain.com says:

    Yum! This looks good. Here I am again inviting you to my link party. I love your recipes! Hope to see you at “Cast Party Wednesday”!

  18. Mamie says:

    I am speechless!

  19. Rhiannon says:

    oh my goodness! this looks delicious! i’m totally craving chocolate today though and this has made it much worse!

  20. Karen says:

    Oh my gosh! I just gained 3 pounds reading the ingredients! Awesome!!!

  21. Charli says:

    So glad to find you today! I’m going to make this Saturday for my husbands birthday – perfect. Thanks!

  22. Athena says:

    Ha…I just made one of these over the weekend, except I had a middle layer of peanut butter cheesecake…delish!

  23. Melanna says:

    It’s about to get too hot to bake, so I have to put this on the to do list because WOW that looks good. It’s everything I love in a cake. I will never tire of anything in this combo!

  24. The Miller's says:

    YUM. I love peanut butter anything!! Especially reeses.

    ?Jazmin

  25. Jenn Erickson says:

    Oh goodness…this is the kind of cake I cannot have in the house, lest I be left alone — just me, the cake, and a fork. A short time later — just me, a fork, and an empty cake plate!

  26. Moore or Less Cooking says:

    What an amazing cake! I am making this for my girlfriends birthday! She loves pnut butter cups- come to think of it so do I!!!

    Nettie

  27. Cupcakes & Tea says:

    Tried it tonight and it was to DIE FOR!!! LOVE IT

Steph Loaiza
About The Author:

Steph Loaiza

Steph is recipe developer and bestselling cookbook author. Her advanced degrees in communication shape how she breaks down cooking techniques into simple, reliable steps for millions of home cooks around the world. Her work has been featured by Costco Connection, Women's Health, Taste of Home, and more.
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