Peanut Butter Flourless Chocolate Cake-This easy-to-make cake is gluten-free but you will never know it because it’s so decadent! The peanut butter chocolate combo is a match made in heaven. This flourless chocolate cake is perfect for any celebration!
Peanut Butter Flourless Chocolate Cake
My Flourless Chocolate Cake is one of my all-time favorite desserts. It is the perfect chocolate cake. Everyone LOVES it and always begs me to make it for them or they beg for the recipe. The cake is gluten-free because there is no flour involved and I promise you won’t miss it because the cake is super rich and decadent.
I decided to make my favorite chocolate cake, but with a little twist! I invited peanut butter to the party and best decision EVER! Who doesn’t love a decadent chocolate-peanut butter dessert? My absolute favorite combo!
This Peanut Butter Flourless Chocolate Cake has a layer of creamy peanut butter frosting and a silky chocolate ganache for the ULTIMATE dessert…and of course I topped it with peanut butter cups! It is so rich and delicious! Serve it with a glass of cold milk and get ready to share the recipe. This cake is so, so yummy for birthdays, Valentine’s Day, or any celebration that could use some extra sweetness.
You might already have everything you need to make this decadent cake! I know I always keep chocolate and peanut butter in the pantry, plus all of the other ingredients:)
- Semisweet chocolate chips or chopped chocolate-Use the best chocolate for the cake and chocolate ganache. I love Guittard.
- Unsalted butter-I use unsalted butter, if you want to use salted you can. You can reduce the salt a little or have a slightly saltier cake. It won’t make that big of a difference.
- Granulated sugar-Perfect for sweetening the cake!
- Salt-I use Kosher salt.
- Vanilla extract-Pure vanilla extract is best.
- Eggs-Use large eggs.
- Dutch process cocoa powder-I prefer Dutch processed cocoa for this recipe because the it gives the cake an intense chocolate flavor. You can use unsweetened cocoa powder, if you wish.
- Peanut Butter-use creamy peanut butter, not natural peanut butter.
- Confectioner’s sugar-you will need confectioner’s sugar (powdered sugar) to make the frosting.
- Heavy Cream-you will use heavy cream to make the frosting and chocolate ganache.
- Peanut butter cups-I top the cake with chopped peanut butter cups, the perfect finishing touch! Make sure the peanut butter cups you use are gluten-free if you need the cake to be gluten-free.
How to Make Flourless Chocolate Cake
It’s easy as pie…no, easy as CAKE! Just a couple steps will get you the tastiest Flourless Chocolate Cake ever.
- Let’s do a little prep work! Preheat the oven to 375 degrees F and grease a round, 8-inch, cake pan. Cut a piece of parchment paper to fit the pan and set it in the bottom of the pan. Give that a little spray of nonstick cooking spray, too. This will guarantee an easy cake release.
- Now we’re ready to get baking! Put the chocolate and butter in a large microwave-safe bowl and get it heated until the butter melts and the chips soften. This usually takes about one minute! Give it a good stir so everything is smooth.
- Stir in the sugar, salt, and vanilla, then eggs, and finally cocoa powder. Stir until just combined; don’t over mix!
- Gently pour the batter into the pan you’ve prepared and pop it in the oven for 25 minutes. The cake will have a thin crust at the top! If you have an instant-read thermometer, it will read 200 degrees in the center. Be careful not to bake it too long! You want a delicious, fudgy texture, not a dry cake.
- Let the cake cool for 10 minutes and then carefully remove from the pan. Let it cool completely on a cooling rack.
Peanut Butter Frosting
This peanut butter frosting is DREAMY! It takes this regular (delicious) flourless chocolate cake to peanut butter-chocolate cake heaven!
- Use a handheld or stand mixer to beat the butter on medium speed for about a minute.
- Add peanut butter, powdered sugar, heavy cream, vanilla extract, and a pinch of salt. Mix it until it’s just combined, then kick up the speed a little!
- Beat on medium speed until it’s smooth and oh-so-creamy, about 3 minutes, scraping down the sides if needed.
- If the frosting seems thin, add a little more powdered sugar. If it’s thick, add a splash of cream!
How to Make Chocolate Ganache
This chocolate ganache is made of just two ingredients: chocolate and heavy cream! It is so silky and smooth and really makes the cake! Use high-quality chocolate for the best flavor. I like semi-sweet chocolate, but if you prefer a darker flavor, try a bittersweet chocolate.
To make the ganache, combine the two ingredients in a small microwave-safe bowl and heat for 30 seconds. Remove, stir, and if the chocolate isn’t yet melted, microwave it for 15 more seconds. If there are a few unmelted chocolate chips, just keep stirring until they melt in. That’s it! You can also make on the stove, using a double broiler.
Assembling the Cake
This is where the magic happens! I love assembling this cake because it is SIMPLE! There is no fancy decorating involved, I promise.
- First make sure your cake is completely cooled. The bottom of the cake, as it was baked, becomes the top.
- Spread the creamy peanut butter frosting over the top of the cake, but not the sides.
- Gently spread chocolate ganache on top of the peanut butter frosting. I like to leave the outer edges of the peanut butter frosting showing so everyone knows what decadent layers are in store for them!
- Finally, garnish with chopped peanut butter cups. YUM!
- You’ll want to let the glaze set up for a couple hours for optimal presentation while serving. You can put it in the refrigerator for a little bit to speed that process along, though!
- Cut, serve, ENJOY!
How to Store the Cake
Store any leftover cake in an airtight container in the refrigerator for up to 4 days. And if you have a slice for breakfast? I promise I won’t tell anyone!
You can also freeze this cake. I have put single slices in the freezer for those days when I NEED chocolate. You can also freeze the entire cake for up to 2 months. I like to put the cake in the fridge until the ganache is set and solid. Then, I wrap the cake tightly in plastic wrap and foil.
More Chocolate Cake Recipes
- Flourless Chocolate Cake
- Easy Chocolate Cake
- Strawberry Chocolate Cake
- Chocolate Sour Cream Bundt Cake
- Chocolate Zucchini Cake
- Chocolate Pudding Cake
Peanut Butter Flourless Chocolate Cake
For the cake:
- 1 cup semisweet chocolate chips or chopped chocolate
- 1/2 cup unsalted butter
- 3/4 cup granulated sugar
- 1/4 teaspoon salt
- 1 teaspoon vanilla extract
- 3 large eggs, slightly beaten
- 1/2 cup Dutch process cocoa or unsweetened cocoa
For the peanut butter frosting:
- 3 tablespoons unsalted butter, at room temperature
- ½ cup creamy peanut butter (I use Skippy)
- 3/4 cup confectioner’s sugar
- 1 tablespoon heavy cream
- 1/2 teaspoon vanilla extract
- Pinch of salt
For the chocolate ganache:
- 1/2 cup semisweet chocolate chips or chopped chocolate
- 1/4 cup heavy cream
For the garnish:
- 10 peanut butter cups, chopped
- Preheat oven to 375 degrees F. Grease an 8-inch round cake pan with nonstick cooking spray. Cut a piece of parchment to fit the bottom of the pan. Place it in the bottom of the pan and spray it with nonstick cooking spray. Set aside.
- To make the cake, put the chocolate and butter in a large microwave-safe bowl, and heat until the butter is melted and the chips are soft, about one minute. Stir until the chocolate is melted and the mixture is smooth. If you need to reheat, do for 10 seconds at a time and stir. Add the sugar, salt, and vanilla extract and stir to combine.
- Add the eggs and stir until smooth. Add the cocoa powder and stir until just combined. Don’t over mix.
- Pour the batter into the prepared pan and bake the cake for 25 minutes or until the cake has a thin crust on the top and the center registers 200°F on an instant-read thermometer.
- Let the cake cool on a wire cooling rack for 10 minutes. Loosen the edges of the pan with a butter knife and carefully turn it upside down onto a cake plate or serving plate. The bottom of the cake will now be the top of the cake. Let the cake cool completely.
- While the cake is cooling make the peanut butter frosting. With a handheld mixer or stand mixer, beat the butter on medium speed for about 1 minute. Add the peanut butter, confectioners’ sugar, heavy cream, vanilla extract, and salt. Beat on low speed until combined and then increase to high speed and beat until smooth and creamy, about 3 minutes. You may need to scrape down the sides of the bowl with a spatula. If the frosting is too thin, add a little more confectioner’s sugar. If the frosting is too thick, add a little more cream.
- Next, make the chocolate ganache. Combine the chocolate and cream in a small microwave-safe bowl. Place in the microwave and heat for 30 seconds. Remove and stir. If the chocolate isn’t melted, place back in the microwave for 15 seconds. Remove and stir again, until smooth. If there are a few unmelted chocolate chips, that is fine, keep stirring until they melt into the mixture. If you need to put the ganache back in the microwave, try 10 seconds.
- To assemble the cake, frost the top of the cake with the peanut butter frosting. Don’t frost the sides. Spread the chocolate ganache evenly over the peanut butter frosting. I leave a little edge so you can see the peanut butter frosting. Garnish with chopped up peanut butter cups. Let the glaze set up for a few hours before cutting and serving the cake. You can put the cake in the refrigerator to speed up the process.
- Cut the cake into slices and serve.
Have you tried this recipe?
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Photos by Molly
This looks delicious! My son has severe peanut allergies, so I can’t make this for him. Do you happen to have experience baking with sunflower butter? I’m curious if the consistency is close enough to peanut butter to give good results.
This sounds amazing! I totally need to try this asap! I’m a sucker for all things PB!
The best gluten-free cakes are always the ones that were never supposed to have flour in the first place. I do a lemon polenta cake that people go crazy for. Chocolate and peanut butter is my favorite combo, so I can’t wait to try this.
I made this and it was an absolute HIT. One of my co-workers called in “next level”.
YAY!! It is my favorite!
Can I double this and make a 9×13?
I haven’t tried it. I have only done it in a round pan. Let me know if you try it!
Hi Maria, reading your email with your recipes this morning and came across this one. My Aunt is GF and she loves PB and chocolate. I can’t wait to make this for her!! I’ll post to share. Looks amazing!!!❤
I made this today and while it smells delicious ( it’s cooling in the pan right now) it won’t come out! What should I do? I am wondering if spraying the pan and then putting the parchment down on the sprayed surface made it stick. Has anyone had this problem before. I would just let it cool completely and frost and decorate in the pan and then serve from there, but I am worried about the piece of paper that will now be on the bottom. Not sure what to do….
Make sure to spray the sides of pan and also the top of parchment. I ran a knife around the edge of pan after cooling for 10 minutes, flipped onto plate and cake came right out.
Cake was fabulous! My peanut butter cups started to melt as I placed them in the ganache. I assume the ganache was still too hot. Can you give me a sense of ganache cooling timing for when it is still soft enough to place the peanut butter cups without the peanut butter cups melting? Any advice or tricks would be great!!!
You don’t want the ganache super hot or it will melt the peanut butter cups a little. Wait to the ganache has cooled but not completely set. You can also add them when it is set and just top with pb cups, they just won’t stick into the ganache.
ABSOLUTELY TO DIE FOR!! I made this for my friend who can’t have gluten and, boy we did not miss it nor not know it was not there. Everything about it from the fudgy chocolate cake to the delicious peanut butter frosting was amazing. Thank you for this delicious recipe… I definitely will use again.
Can I make the buttercream the night before?
Yes, store in the fridge and let it come to room temperature before using. Also, give it a good stir! Enjoy!
It’s look like amazing.
I made this for my GF wife on V-Day and it was a home run!!! Our kids loved it too! Thx a lot for the recipe and tips!!
This was absolutely delicious! I made this for our Valentine’s Day dessert in a heart shaped pan and it was a huge hit, my family couldn’t get enough of it. The peanut butter frosting with the chocolate ganache was a great combo, along with the brownie-like cake. And you can’t go wrong with Reese’s peanut butter cups on top. Thanks for sharing, I’ll definitely be making this again.
This is a super easy gluten free recipes and tastes awesome
Soooooooo rich, and not in a good way. It tasted good but I served this for my husband’s birthday and so much was wasted. People barely could take a second bite.
Question about the peanut butter – why not natural pb and only creamy? I only have natural (smooth not crunchy) and seems a waste to go buy new peanut butter just for the frosting.
If you only have natural pb you can use it, just make sure you stir it really well so it is smooth and creamy.
Took this to a friends last minute summer dinner gathering and everyone just loved it.
Definitely rich, but that didn’t stop some from going for a third piece.
Will definitely make again.
Ha!! Love it!
You are using your regular gf cake recipe and adding the peanut butter element, but you changed the baking temperature and time – what is the correct time & temperature for the bake? please & thank you
The temperature and time are the same:)