Fudge and peanut butter and fudge and peanut butter and fudge and peanut butter and fudge: With fudge on top

Drake’s Funny Bones. Ben & Jerry’s Chubby Hubby. Reese’s Pieces. Twix PB. Peanut M&Ms.

Peanut Blossoms. Magic in the Middles. Peanut Butter Whoopie Pies with Chocolate Filling.

Oh, and let’s not forget “The Chocolate Peanut Butter Gallery, dedicated to the world’s two best ingredients” Web site. (Sorry, you’ll have to Google that one yourself.)

You see where I’m going here? If you’re all over it, like I am – read on.

Chocolate and peanut butter go together like… well, like chocolate and peanut butter. It’s an unlikely combination, but there are those of us – indeed, legions of us – who love it.

Is it simply the happy marriage of two childhood favorites?

No, because otherwise we’d be lusting after Cheez-Whiz and grape jelly.

Is it their complementary textures – creamy, and creamy? Their assertive flavors? I AM NUT, YOU ARE CHOCOLATE. HEAR US ROAR.

Or are they simply a good-looking couple? They’ve got that classy black-and-gold thing going, big-time.

Whatever the reason, chocolate and peanut butter, two of the New World’s finest native products, have been playing happily together for decades. George Washington Carver invented “modern” peanut butter in the 1880s. Forty years later, the H.B. Reese Candy Company offered peanut butter filling dipped in Hershey’s chocolate: the first peanut butter cups.

Then there are Buckeye candies, peanut butter balls dipped in chocolate (a.k.a. Ohio’s unofficial state dessert). They’re the inspiration for this towering, multi-layered, ganache-drizzled cake:

Buckeye Peanut Butter-Fudge Cake.

Read it and eat!

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Here it is again, star of stage, screen, and bowls of batter everywhere – espresso powder! No, it doesn’t make your treats taste like coffee (unless you add enough). It just absolutely enhances the flavor of chocolate.

OK, let’s jump in. First, turn your oven on to 350°F, so it can preheat while you make the cake batter.

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Put the following ingredients in a mixing bowl:

2 cups granulated sugar
2 cups (8 1/2 ounces) King Arthur Unbleached All-Purpose Flour
2 tablespoons Instant ClearJel or cornstarch
3/4 cup Double Dutch Dark Cocoa or Dutch-Process cocoa
2 teaspoons baking powder
2 teaspoons espresso powder
1/2 teaspoon baking soda
1 teaspoon salt

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Stir to combine.

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Add 4 large eggs, 3/4 cup vegetable oil, and 2 teaspoons vanilla extract.

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Beat till well combined; the mixture will be fairly thick.

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Next, add 1 1/4 cups cold water, beating until smooth. As you can imagine, this has the potential to be a messy project. To avoid  chocolate splashes, add water gradually, draping a dish towel over the top of the mixer, if necessary.

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Get out two 8” x 2” round cake pans. Note: These pans need to be at least 2” tall; if you have non-standard, shorter 8” pans, substitute 9” round pans.

I’m using our new USA Pans here. They’re made by the USA Pan company which, surprisingly, is the world’s largest supplier of commercial bakeware to the foodservice industry. And they make their pans right in Crescent Township, PA., not overseas someplace. Well, who knew?

And now, a word from our sponsor. I want to take a moment to wax eloquent about USA Pans. You might think this is a sales pitch; I just consider it well-earned enthusiasm. Here’s what they have going for them:

•Sturdy, heavy-gauge aluminum/steel. And, so you can feel eco-friendly, the steel is 65% recycled.

•The perfect color: dark gray. Not so dark they burn; not so light they leave your crusts pale.

•Corrugations: they increase airflow, which bakes bottom crusts thoroughly without burning. “Yeah, but won’t the corrugations leave creases in my cake?” No, not if you use parchment. And even if you don’t use parchment, they’re so faint that once you add the icing, you can’t see them.

•FDA-approved, environmentally friendly, hard-glaze silicone non-stick coating. Surprisingly, even sticky buns slip right out of these pans.

• And, the reassuring words you love to see: lifetime warranty.

Right now we have 8” and 9” square and round pans; and a 13” pain de mie. Coming soon: 9” pain de mie (VERY exciting – a pain de mie pan for a standard loaf); 9” pie pan; and three sizes of rimless cookie sheets.

Plus anodized aluminum standard AND deep-dish pizza pans, 12” and 14”. And let me tell you – I’ve been lobbying for anodized aluminum pizza pans for a long, LONG time. Their dark finish gives your pizza crust wonderful crunchy/crisp texture.

And now, back to our program.

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I do tend to use parchment for cakes, out of habit. It’s a good little insurance policy. So, take a sheet of parchment, and lay the pan on top. Draw around with a marker, then cut out a round. Or, even easier – use pre-cut parchment rounds.

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Spray the pans with EverBake or your favorite non-stick spray. Then line with parchment, and spray the parchment.

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Divide the batter between the two pans. If you have a scale, you’ll put about 689g in each; that’s about 24 3/8 ounces, in American measurements.

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Into the 350°F oven they go.

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Bake the cakes for 35 to 38 minutes (a bit less if you use a 9” pan), or until a cake tester inserted into the center comes out clean.

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Cool the cakes in the pan for 15 minutes, then loosen their edges with a thin nylon spatula, or table knife.

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Turn over onto a rack…

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…lift off the pan, and peel off the parchment. Repeat with the other layer.

Let the cakes cool completely; or at least till they’re just barely warm.

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Pick up one layer (a giant spatula is always a help)…

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…and transfer it to a piece of parchment or waxed paper or foil – just something so it’s not sitting right on your counter. Use a long serrated knife to cut the cake in half around its circumference.

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Now your single layer has become two.

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And your two layers, four.

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Time to make the peanut butter filling. Put the following in a mixing bowl:

4 cups (1-lb. box) confectioners’ sugar
1 1/2 cups peanut butter
2 teaspoons vanilla extract

Note: I haven’t tested this with “simply ground peanuts” peanut butter, just the regular Skippy-type.

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Mix till well combined.

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Gradually add 3/4 cup milk. Again, watch out for splashes, this time of the peanut-butter variety.

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The filling should look like this. And should taste like heaven.

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Put one layer on a serving plate. Spread about 1/3 of the filling (about 290g, a generous 10 ounces) on top.


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Repeat with the remaining layers.

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Put the final layer on top.

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It helps to anchor the layers with some bamboo skewers. Or clean broom straws, like I’ve used here.

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Next – the icing.  Put the following in a microwave-safe bowl or measuring cup:

1 1/3 cups (8 ounces) chocolate chips or chopped semisweet chocolate
1/2 cup heavy or whipping cream
2 tablespoons light corn syrup

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Heat in the microwave till the cream is hot and the chocolate soft. Then stir…

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…and stir, till the mixture is completely combined. Don’t get nervous; at first it seems like a gloppy mess that’ll never come together. But it will. It does.

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Pour the ganache (yes, that’s what you’ve just made, ganache) atop the cake. Those creases are actually from the cooling rack, not the pan.

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Spread the ganache atop the cake…

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…and encourage it to dribble down the sides.

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Give it some time to set – a couple of hours is good – then serve, to rounds of applause and the lusty singing of “Happy Birthday,” if apropos. Be sure not to serve anyone a piece with the bamboo skewer still intact.

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Uhhhh…. yeah, this is what we do in the test kitchen. I didn’t like how the first attempt at icing poured. So I made another batch, and poured it right over the first. Then my Web mates started getting into it. I just HAD to take a picture. How’s THAT for a glamour shot?!

Read, rate, and review (please!) our recipe for Buckeye Peanut Butter Fudge Cake.

Buy vs. Bake

Buy: Expresso Italian Villa, Charlottesville, VA: slice of Chocolate Peanut Butter Buckeye Cake – rich, moist chocolate cake with a creamy peanut butter filling and a thick, chocolate ganache topping, $4.25

Bake at home: Buckeye Peanut Butter-Fudge Cake, 2” slice (1/12 of cake), 87¢

PJ Hamel
About

PJ Hamel grew up in New England, graduated from Brown University, and was a Maine journalist before joining King Arthur Flour in 1990. PJ bakes and writes from her home on Cape Cod, where she enjoys beach-walking, her husband, two dogs, and really good food!

comments

  1. Robin Horton

    Although I haven’t made the filling yet, I just made my second PB Fudge Buckeye Cake – I love it so much! The recipe I used though, came from the KAF catalog, and there are a couple of differences with the filling and icing. The filling is less in quantity than the on-line recipe; the icing in the catalog calls for bittersweet choc vs. semisweet, and is also less in quantity. Which do you think is a better ratio for the cake? The first cake I made I used the bittersweet, and it was delicious, so will definitely use that again, but I wonder if I should use the higher quantity recipe?

    Reply
    1. The Baker's Hotline

      We’re glad you like this recipe, Robin! The website version is more up-to-date, so the larger quantity of frosting was something other customers were looking for. Since you made it the first time from the catalog version, you can decide whether that amount of frosting was sufficient for you, or if you’d like to try increasing it. Either way, it’s sure to be delicious. Happy baking! Annabelle@KAF

  2. henry schumacher

    Well ,OMG, taking this chocolate peanut butter wonder ,leaning tower of cake , mine looks like the first one you did,broken chop sticks some trimming and more icing,stuck it out in the garage, it’s-1 today and maybe just maybe it’ll firm up some,then it’s off to a potluck. I tasted what I trimmed oh , I also ran it through the recipe builder on the weight watchers app , it’s 39 points a slice (1/12) I’m not having a slice this time, I am making it again in March for my birthday and I will have a slice then ,once a year for something this good isn’t going to hurt,once a year.

    Reply
  3. Alice

    This has been a huge hit at two potluck dinners I’ve taken it to. I bake it in three 9″ layers, which are thin enough that I don’t have to split them. I also use less than the full amount of milk in the peanut butter filling; I have no trouble spreading it onto the layers, which then don’t shift in transit. Seriously yummy! And yes, GO BUCKS!!!

    Reply

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