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    Home ยป Recipes ยป Cakes & Cupcakes

    Published: Mar 30, 2022 ยท Modified: Oct 14, 2022 by Sloane ยท This post may contain affiliate links ยท 1 Comment

    Chocolate Snack Cake with Peanut Butter Frosting

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    โ†“ Jump to Recipe

    This chocolate cake with peanut butter frosting is pure chocolate pb heaven! It's a simple fudgy cake with a thick layer of peanut butter goodness.

    chocolate cake with peanut butter frosting on parchment paper.

    This chocolate snack cake with peanut butter frosting is the perfect quick & easy indulgent recipe! Made with a simple fudgy cake recipe based off of this dark chocolate malt snack cake and slathered with a thick layer of luscious pb frosting, this cake is sure to be your new favorite. 

    For more easy chocolate cake recipes, try Fudgy Chocolate Espresso Bundt Cake, Dairy Free Chocolate Cake, and Mini Flourless Chocolate Cake. 

    Jump to Recipe
    • Why you'll love this chocolate peanut butter cake
    • Ingredient Notes
    • Step by Step Instructions
    • Expert Baking Tips
    • Recipe FAQs
    • Baking in Grams
    • Other cake recipes you'll love
    • ๐Ÿ“– Recipe
    • ๐Ÿ’ฌ Reviews

    Why you'll love this chocolate peanut butter cake

    • Dense, Fudgy Texture: An almost brownie-like texture, this cake is ultra chocolatey and extra fudgy!
    • Luscious Peanut Butter Frosting: A swoon-worthy pb frosting that you'll want to eat by the spoonful. 
    • Quick & Easy Method: No electric mixer required to make this cake! It can be made and out of the oven in less than an hour ๐Ÿ™‚
    piece of cake turned up to show texture.

    Ingredient Notes

    Ingredient quantities are listed in the recipe card below. Here you'll find notes on why I chose certain ingredients, as well as ingredient substitutions. 

    ingredients for chocolate snack cake.
    For the chocolate cake
    ingredients for peanut butter frosting.
    For the peanut butter frosting
    • Cocoa Powder: This recipe calls for a combination of dutch process and black cocoa powder, however if you do not have black cocoa powder, you can use just 42g of dutch process.
    • Chocolate: I recommend using bittersweet chocolate. My favorite brand is Guittard!
    • Coffee: You'll need freshly brewed coffee to bloom the chocolate and cocoa powders, but alternatively you can use boiling water.
    • Flour: You'll need slightly more than one cup of flour.
    • Sugars: You'll need both granulated sugar and brown sugar for the cake, and powdered sugar for the frosting. 
    • Espresso Powder: This helps to optimize the chocolate flavor, but you can omit it.
    • Leavener: You'll add 1 teaspoon of baking powder to give the cake the perfect amount of rise. 
    • Fat: You'll need a neutral oil, such as light tasting olive oil, for the cake, and butter for the frosting. 
    • Dairy: You'll need whole milk and plain greek yogurt for the cake, and a splash of heavy cream for the frosting. 
    • Eggs: You'll need two eggs at room temperature for the cake. 
    • Peanut Butter: I recommend only using a thick, creamy peanut butter like Jif or Skippy. 

    See recipe card for full information on ingredients and individual quantities.

    Step by Step Instructions

    Here are step by step photos and instructions on how to make this chocolate snack cake with peanut butter frosting recipe!ย For the full ingredient list and method, see the recipe card at the end of this post.

    batter in square pan.
    STEP 1
    chocolate snack cake baked in square pan.
    STEP 2

    STEP 1: Make batter and bake.ย Mix the dry ingredients and the wet ingredients separately, then combine together until smooth. Pour the batter into your pan and bake for about 20 minutes.

    STEP 2: Cool down.ย Allow cake to cool in the pan for a few minutes before removing to cool completely on a wire rack.

    peanut butter frosting in glass bowl.
    STEP 3
    chocolate snack cake with swoopy peanut butter frosting.
    STEP 4

    STEP 3: Make frosting.ย Make the peanut butter frosting by creaming the butter, then adding the peanut butter, powdered sugar, and other ingredients one at a time.

    STEP 4: Frost.ย When the cake is fully cooled, decorate and enjoy!

    close-up shot of peanut butter frosting swirls.

    Expert Baking Tips

    • Use any neutral oil, such as light tasting olive oil, canola oil, or vegetable oil.
    • I recommend only using a thick, creamy peanut butter like Jif or Skippy. 
    • Store this cake in an air-tight container at room temperature for up to three days.
    chocolate snack cake with swoopy peanut butter frosting on parchment paper.

    Recipe FAQs

    Best peanut butter for this frosting recipe:

    I recommend only using a thick, creamy peanut butter like Jif or Skippy.

    Can this recipe be made as cupcakes?

    Yes, you can make this recipe as cupcakes. Bake at 350 degrees F for about 16 minutes.

    Kitchen equipment:

    -ย Electric mixer: You'll need a stand mixer with a paddle attachment or a hand-held electric mixer to make the frosting.
    - Parchment paper:ย For easy removal, line the 9x9 pan with two pieces of parchment paper hanging over the sides.
    -ย Kitchen scale:ย You'll need a kitchen scale to weigh all of your ingredients (read why below)!

    How to store this cake:

    Store this cake in an air-tight container at room temperature for up to three days.

    piece of chocolate cake with peanut butter frosting.

    Baking in Grams

    All of the recipes on this blog are carefully developed with gram measurements so you can easily recreate them in your own kitchen with success. Volume measurements are extremely inaccurate and leave room for significant errors. Not all measuring cups are made equally, so your one cup of flour will be different from my one cup of flour. By providing precise measurements in grams (aside from minor ingredients, which are given in tsp/tbsp), you can make these recipes accurately and with less cleanup! All you need is thisย kitchen scale.ย 

    If this still isn't enough to convince you, I have provided volume measurements in the recipe card. If you are interested in understanding the conversions, this is the best conversion chart.

    But trust me, once you try baking in grams you'll never turn back!

    Happy baking! x

    piece of chocolate cake with peanut butter frosting propped up against another piece.

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    If you tried this recipe, I'd love to know how it turned out for you! Leave a star rating & review below and post a picture (or video!) on Instagram and tag me so I can see your bakes! Not ready to make this recipe yet? Click the heart button on the right of your screen to save it for later ๐Ÿ™‚

    ๐Ÿ“– Recipe

    chocolate cake with peanut butter frosting on parchment paper
    5 from 2 votes
    Print Recipe Pin Recipe Save for LaterSaved!

    Chocolate Snack Cake with Peanut Butter Frosting

    This chocolate cake with peanut butter frosting is pure chocolate pb heaven! It's a simple fudgy cake with a thick layer of peanut butter goodness.
    Prep Time 30 minutes mins
    Cook Time 20 minutes mins
    Total Time 50 minutes mins
    Servings16 squares
    Coursecake
    CuisineAmerican
    AuthorSloane
    Prevent your screen from going dark

    Equipment

    • Kitchen Scale
    • Electric Mixer
    • Square Pan

    Ingredients

    For the chocolate snack cake:

    • 30 g (โ…“ cup) dutch process cocoa powder
    • 12 g (1 ยฝ tablespoon) black cocoa powder
    • 100 g (3 ยฝ oz) bittersweet chocolate
    • 100 g (โ…“ cup + 2 tbsp) hot coffee
    • 140 g (1 cup + 2 tbsp) all-purpose flour
    • 100 g (ยฝ cup) granulated sugar
    • 53 g (ยผ cup) brown sugar
    • 1 ยฝ teaspoon espresso powder
    • 1 teaspoon baking powder
    • ยฝ teaspoon salt
    • 65 g (โ…“ cup) neutral oil*
    • 56 g (ยผ cup) whole milk, room temp
    • 56 g (ยผ cup) plain whole milk greek yogurt, room temp
    • 2 eggs, room temp
    • 1 teaspoon vanilla

    For the peanut butter frosting:

    • 113 g (ยฝ cup or 1 stick) unsalted butter, room temp
    • 405 g (1 ยฝ cups) peanut butter*
    • 170 g (1 ยฝ cups) powdered sugar
    • ยฝ teaspoon salt
    • 1 tablespoon heavy cream

    Instructions

    For the chocolate snack cake:

    • Preheat the oven to 350 degrees F and line a 9x9 inch square pan with parchment paper.
    • In a medium bowl, combine the cocoa powders, chocolate, and hot coffee together. If the chocolate does not fully melt, heat in the microwave in 20 second intervals until fully melted.
    • In a large bowl, whisk together the flour, sugars, espresso powder, baking powder, and salt.
    • To the dry ingredients, add the oil, milk, yogurt, eggs and vanilla. Whisk until fully combined.
    • Add in the chocolate mixture and whisk until fully combined.
    • Pour the batter into the prepared pan and bake for 20-25 minutes or until a toothpick inserted comes out clean.
    • Allow cake to cool in the pan for a few minutes before removing to cool completely on a wire rack.

    For the peanut butter frosting:

    • In the bowl of a stand mixer fitted with a paddle attachment, cream the butter until smooth.
    • Add the peanut butter and mix until fully combined.
    • While mixing on low speed, slowly add the powdered sugar.
    • Turn the speed up to medium, then add the salt and the heavy cream and beat until smooth.
    • Frost the cake as desired and enjoy!

    Notes

    • Use any neutral oil, such as light tasting olive oil, canola oil, or vegetable oil.
    • I recommend only using a thick, creamy peanut butter like Jif or Skippy.ย 
    • Store this cake in an air-tight container at room temperature for up to three days.

    Nutrition Facts

    Serving: 1square | Calories: 406kcal | Carbohydrates: 38g | Protein: 9g | Fat: 27g | Saturated Fat: 9g | Polyunsaturated Fat: 6g | Monounsaturated Fat: 10g | Trans Fat: 0.3g | Cholesterol: 38mg | Sodium: 295mg | Potassium: 259mg | Fiber: 3g | Sugar: 25g | Vitamin A: 229IU | Vitamin C: 0.01mg | Calcium: 53mg | Iron: 2mg
    Tried this recipe?Tag @sloanes.table on Instagram and write a star review below!

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    Reader Interactions

    Comments

      5 from 2 votes (1 rating without comment)

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      Recipe Rating




    1. Bree says

      December 12, 2024 at 9:30 am

      5 stars
      I have done the chocolate cupcakes with the peanut butter frosting and they were to die for. This cake is basically the same recipe so I am making it for my sons 3rd birthday this weekend. It's going to be a hit. Thank you

      Reply

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    Hi, I'm Sloane! Welcome to Sloaneโ€™s Table! I am a Dartmouth College alumna, professional baker, recipe developer, and food photographer. Here, you will find tried & true bakery-worthy recipes ranging from simple sweets to technical pastries.

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