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    Home » Recipes » Bakery-Style Cakes

    Published: Feb 17, 2023 · Updated: Aug 11, 2023 by Amy · This post may contain affiliate links. If you make a purchase through links on my site, I may earn a commission (see disclosure).

    Chocolate Cake with Peanut Butter Frosting

    If you're looking for a rich chocolate cake with the creamiest peanut butter frosting, you must make this recipe! My homemade chocolate cake with peanut butter frosting is one of my favorite cakes ever and would make the best birthday cake for the chocolate-peanut butter lover in your life!

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    5 from 48 votes
    Jump to Recipe
    A slice of 3-layer chocolate cake with peanut butter frosting on a plate with the layer cake in the background. this Post

    This recipe was inspired by my Triple Chocolate Ganache Cake. It's my go-to chocolate cake recipe because it's so moist and fudgy. This cake was a favorite at my former bakery for years!

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    My creamy peanut butter frosting is heaven on earth, and I knew it'd pair perfectly with the rich flavor of my moist chocolate cake. These two are a match made in heaven and look so good decorated with peanut butter cups (full size or mini), Reese's pieces, and sometimes add a chocolate ganache drizzle. So good!

    Jump to:
    • 🥜 Why you'll love this chocolate peanut butter cake
    • 📋Ingredients
    • 🥣 Instructions
    • 🧁Variations
    • 🧊 Storage
    • 💭 FAQ
    • 📖 Recipe
    • 💬 Comments

    🥜 Why you'll love this chocolate peanut butter cake

    • It's so moist! Thanks to my secret ingredient Instant Clear Jel, this cake can hold onto much more moisture than the average cake without feeling soggy or heavy.
    • It's a super simple recipe - Isn't it so great when the best cakes are the easiest? This is one of my two-bowl cake recipes, and it comes together with minimal effort.
    • It's a classic flavor combination - Peanut butter + chocolate are one of the best flavor combinations out there! It's a crowd-pleaser the whole family will love.
    • It has the creamiest frosting ever - I don't want to toot my own horn here, but this creamy peanut butter buttercream is about to be your new favorite thing. It takes just ten minutes and is truly the best. It's a perfect topping for the rich chocolate cake layers without being too sweet.

    📋Ingredients

    This homemade chocolate cake with peanut butter frosting requires a handful of common baking ingredients and a couple of special touches.

    An overhead shot of all the chocolate cake ingredients.
    Chocolate Cake Ingredients
    An overhead shot of the peanut butter frosting ingredients.
    Peanut Butter Buttercream Frosting Ingredients

    The wet ingredients in this cake recipe include:

    • eggs
    • buttermilk
    • brewed coffee (let your hot coffee cool first)
    • vegetable oil
    • dark corn syrup
    • vanilla extract

    The dry ingredients are:

    • all purpose flour
    • baking powder
    • baking soda
    • salt
    • Instant Clearjel or chocolate instant pudding mix
    • unsweetened cocoa powder
    • brown sugar
    • white sugar

    Once the cake is baked and cooled, we'll assemble the creamy peanut butter frosting. I like to use a base of cream cheese, which cuts through the sweetness of the frosting while making it smooth and creamy.

    Use a combination of salted butter and a little butter-flavored shortening for the perfect texture (yes, it's worth using 2 types of fat!). Then whip in powdered sugar, creamy peanut butter, vanilla, and heavy cream for perfectly fluffy bakery-style peanut butter frosting.

    🥣 Instructions

    Get the instructions and the full list of ingredients in the recipe card at the end of this post. Here's a quick summary of how this recipe works!

    A bowl of dry ingredients for chocolate cake.

    Sift your dry ingredients together in a large bowl except for the brown sugar. Add that separately and break up any clumps with your hands.

    The chocolate cake wet ingredients in a bowl.

    Combine the wet ingredients together in a separate bowl.

    Chocolate chips in butter in a bowl.

    In a microwave-safe bowl, melt the butter. Add the chocolate chips and whisk until the chips melt.

    A bowl of fudgy chocolate cake batter with chocolate butter being mixed in.

    Combine the wet and dry ingredients in a bowl and then stir in the chocolate butter mixture.

    A ¼ sheet pan of chocolate cake with layers cut out using a cake ring.

    Pour the cake batter into a prepared pan and let it rest for 5-10 minutes for the Instant Clearjel to work its magic. Bake following the instructions below and allow the cake to cool before chilling and cutting.

    Peanut butter buttercream being blended in a mixer.

    Prepare the peanut butter frosting by creaming the cream cheese, salted butter, and shortening one at a time before adding the remaining ingredients.

    A closeup of the three moist layers of chocolate cake with peanut butter frosting.

    The next day after the cakes have been chilled and cut, cut and assemble your cake layers. Pipe the frosting between each layer before spreading a crumb coat on the outside of the entire cake. Let it chill in the fridge for a few minutes before adding the rest of your frosting.

    A Peanut Butter Chocolate Cake on a pedestal near some peanut butter cups,

    Decorate with your favorite toppings like peanut butter cups, Reese's pieces, peanut butter chips, and a chocolate ganache drizzle.

    🧁Variations

    While I love to cut out my cake layers with cake rings using the cut-and-stack method, you can use different cake pans following my recommended cake pan chart.

    A 1x batch of this recipe can make the following options:

    • A 6" 3-layer cake cut from a ¼ sheet pan of cake with cake rings (as described within the recipe card)
    • 18 cupcakes (use a 2-oz scoop or ¼ cup of batter per cupcake) using this chocolate cupcake recipe
    • A 4-layer 6" round cake (using four 6" round pans)
    • A short 2-layer 8" round cake (using two 8" round pans)
    • A shorter (texas-style) small sheet cake (using a ¼ sheet pan)

    Just remember to always watch your baked goods closely in the oven when making variations of the recipe to avoid over or underbaking.

    🧊 Storage

    This cake tastes best at room temperature. Since there is cream cheese and heavy cream in the frosting, it can only stay out for 24 hours before it needs to be chilled in the fridge. To retain the soft, moist texture, let it come to room temperature for 2-3 hours before serving.

    You can also freeze a piece or two for later! Be sure to wrap the cake in plastic wrap and store it in an airtight container. It will stay fresh for a couple of months. Let it soften in the fridge overnight and then come to room temperature on the counter for a few hours.

    A chocolate peanut butter cake cut open showing the layers and moist cake.

    💭 FAQ

    What other toppings go well with chocolate cake?

    Although people think of vanilla as the most universal cake flavor, so many delicious flavors go well with chocolate cake!

    🍫 Double Chocolate - I'm a big fan of the chocolate-on-chocolate flavor and typically serve this chocolate cake with a fudgy ganache layer and chocolate buttercream.

    🥜 Peanut butter - Chocolate tastes fantastic with peanut butter, which is why I love to make my classic chocolate cake with peanut butter frosting.

    🍓Berries - Raspberry offers the perfect contrast to dark chocolate. I also love pairing chocolate with strawberries or mixed berries. Get my favorite cake filling flavors here.

    🤎 Cinnamon - Cinnamon adds a little warmth that really enhances chocolate's flavor. Try Grandma's Chocolate Cinnamon Cake, and you'll see what I mean!

    🍬 Peppermint - I love the combination of mint and chocolate in my Peppermint Fudge Cake.

    Related Cake Recipes

    Looking for more deliciously moist fudgy cake recipes? Try these:

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    📖 Recipe

    A large slice of chocolate cake with peanut butter frosting.
    Save this Recipe Saved!

    Moist Chocolate Cake with Peanut Butter Frosting

    5 from 48 votes

    Super moist and fudgy chocolate cake layered with extra creamy peanut butter buttercream frosting.
    A 1x batch yields 1 6" three-layer cake, and a 2x batch yields 1 8" three-layer cake cut out with cake rings using the Cut and Stack Method. Or choose a different pan size by visiting my recommended cake pan chart.
    👩‍🍳 For the most accurate baking results, use the grams measurements with a kitchen scale.
    Servings 8 servings or more
    Prep Time10 minutes mins
    Cook Time24 minutes mins
    Print Recipe Pin Recipe

    Equipment

    Cake Ring(s)
    1x batch: ¼ Sheet Pan
    an image of parchment paper
    Parchment Paper
    kitchen scale

    Ingredients

    Dry Ingredients

    • 170 grams (1 ¼ cup + 2 Tbsp) All-Purpose Flour (I use Gold Medal)
    • 1 ½ teaspoon Baking Powder
    • 1 teaspoon Baking Soda
    • ¾ teaspoon Salt
    • 2 Tablespoons Instant Clearjel or 3 Tablespoons chocolate instant pudding mix (Instant Clearjel is a food starch used in commercial baking that enhances moisture and texture in cakes. Please make sure it is labeled as "INSTANT." See Note #1)
    • 26 grams (¼ cup) Unsweetened Cocoa Powder (I use Hershey's)
    • 100 grams (½ cup) Sugar
    • 113 grams (½ cup) packed Brown Sugar

    Wet Ingredients

    • 2 large Eggs
    • ¾ cup Buttermilk
    • ¼ cup brewed Coffee
    • ¼ cup + 1 tablespoon Vegetable Oil
    • 3 tablespoon Dark Corn Syrup (or use light corn syrup)
    • 1 ½ teaspoon Vanilla Extract

    Chocolate Butter Mixture

    • ¾ stick (3 oz) Salted Butter
    • 43 grams (¼ cup) Semi-Sweet Chocolate Chips (I use Nestle)

    Peanut Butter Frosting and Decorations

    • 1x batch Creamy Peanut Butter Buttercream Frosting
    • peanut butter cups (for decorations)

    Instructions

    • Preheat oven to 325 degrees. Line a 1" tall ¼ sheet pan with parchment paper, then spray the bottom (on top of the parchment) and sides of the pan with cooking spray. Or choose a different cake pan(s) using the chart in my post about Half-Batches and Cake Pans.
    • Using a sifter or fine mesh strainer, sift the first seven Dry Ingredients into a large bowl, then add the brown sugar into the bowl. Whisk until well blended. If you see any large brown sugar clumps, break them up and blend them in with your fingers.
    • Combine Wet Ingredients in a separate large bowl and whisk until smooth and well-blended.
    • Melt salted butter in the microwave (or over the stove) until just melted. Avoid overcooking. Add semi-sweet chocolate chips and whisk until melted and smooth (Whisk for 30 seconds to 1 minute--the heat from the melted butter plus the whisking will melt the chips).
    • Pour Wet Ingredients into Dry Ingredients and whisk until incorporated. Pour Chocolate Butter Mixture over batter and whisk until smooth and lump-free. (A few teeny brown sugar lumps are ok and will dissolve as it bakes).
    • Pour batter into the prepared ¼ sheet pan and smooth out batter until even (an offset icing spatula works well for this). The batter will be about ¼ inch from the top of a 1" tall sheet pan.
    • Allow pan to set for 5-10 minutes before putting it in the oven. This will give time for the instant clearjel (or instant pudding mix) to thicken the cake batter before it bakes, allowing for a better rise.
    • Bake in the middle or top rack (avoid bottom rack) of a preheated 325-degree oven for 16 minutes. Without opening the oven, turn the temperature down to 300 degrees and bake for another 8-10 minutes. Check the cake at this point. See if it is done by lightly touching the top of the cake--try to avoid moving the cake pan or baking rack, which could cause an underdone cake to sink. If jiggly at all to your touch, bake for another 1-5 minutes. The cake is done when a toothpick or small paring knife comes out clean when quickly stuck in the cake. A couple of moist crumbs on your knife are fine, but they shouldn't look wet.
    • Wrap thoroughly in plastic wrap and freeze cake in the pan for 2 hours or overnight. (You can even bake the cake up to a week ahead of time and freeze). The cake will be much easier to layer if it is cold or frozen.

    Prepare the Peanut Butter Frosting, decorate and serve.

    • Prepare the 1x batch Peanut Butter Buttercream Frosting according to the recipe instructions.
    • The easiest way to layer the chocolate peanut butter cake is to layer it from frozen the day before you plan to serve it. If you are serving the cake the same day you are layering it, use refrigerated cake layers instead of frozen.
    • Cut the cake layers with cake rings as described in How to Bake and Layer Cakes Like a Pro. Fill the layers with the creamy peanut butter frosting. The remaining cake scraps can be used for peanut butter cup cake truffles if desired.
    • I recommend frosting a thin crumb coat of peanut butter buttercream on the outside of the cake which will catch all the crumby edges, then allow it to set up in the freezer for about 10 minutes until the buttercream is firm, before adding the final coat of icing.
    • Allow the completed cake to set up in the fridge, but remove it from the fridge 2-3 hours before serving so it can come back to room temperature. This chocolate cake with peanut butter frosting has the best texture at room temperature. Enjoy!

    Notes

     
    1. Read my article Instant Clearjel: a Magical Little-Known Bakery Ingredient to see why I think this ingredient is worth having in your pantry.  Instant Clearjel must always be whisked thoroughly with other dry ingredients before being added to wet ingredients to avoid clumping.  Make sure what you purchase is labeled as “Instant.”  Cooktyle Clearjel is a different product that does not work the same in cakes.  
    2. When baking cakes in a sheet pan, the cake bakes more evenly (flatter on top and with no dark edges), and you get to choose your cake size after baking by cutting the cake out with cake rings.  Read more on how to bake and layer cakes this way in How to Bake and Layer Cakes Like a Pro: 5 Easy Steps.
    Author: Amy
    Calories: 330kcal

    Calories are estimated using a nutrition calculator. This recipe may link to additional recipes, which contain calories that are not included in this recipe.
    Tried this recipe?Mention @amycakesbakes or comment below! I'd love to hear from you!
    Print Recipe

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    ⭐ For help with a recipe, visit our detailed FAQ page.

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    Comments

    1. Sara says

      March 05, 2023 at 8:06 am

      5 stars
      The peanut butter frosting is incredible! It reminds me a little of peanut butter pie, but creamier and less sweet. I made this recipe yesterday, and despite a few mistakes on my part, it was fantastic.

      I made the cake using the 1x quantity but mistakenly baked it in a 1/2 sheet pan. Then I didn’t freeze the cake before cutting into quarters, since my freezer is too small to fit a sheet pan and I was working with everything at room temperature. Let’s just say I won’t make these mistakes again. Since my cake was so thin, I wound up with a divine chocolate peanut butter torte style cake with 4 half inch layers of cake and 4 half inch layers of frosting. It stopped all conversation because everyone was enjoying it so much. The peanut butter frosting is delicious beyond description, you just have to try it.

      • Amy says

        March 07, 2023 at 7:33 am

        Hi Sara, thank you for your detailed comment! I bet that was delicious, even with the shorter layers! So glad you enjoyed it! 🙂

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