November 25, 2014
Peanut Butter filled Chocolate Cupcakes topped with heavenly Marshmallow Frosting

Peanut Butter filled Chocolate Cupcakes topped with heavenly Marshmallow Frosting

Hello everyone, wishing you all a happy new year 2014!
Hope you had a wonderful New Year’s Celebration with your friends and loved ones.

Before I start off with the sweet things, I have something to share with you:
niner bakes has now an official YouTube channel, yay!!
I would be more than happy if you subscribed to the channel so you do not miss out on any new videos.
So exciting! I already uploaded one video, check it out when you have a minute.

I have been making my favourite frosting again. Marshmallow Frosting or also known as 7-Minute Frosting.
I would print this on a shirt, it is that good… “Marshmallow Frosting” :)

I baked chocolate cuppies to go along with it but that did not seem enough. So I made a yummy peanut filling, the same recipe from my Peanut Butter Cups blogpost, and oh boy, that combination between the three treats is just yum!

Not to get you all confused, let me show you in detail how to make all these treats.

Let’s do it:

  • Prep Time 10 minutes
  • Baking Time 20-24 minutes
  • Difficulty Easy
  • Servings 12-15

For the Chocolate Cupcakes:

  • 2 cups of sugar
  • 1 3/4 cups of flour (all purpose)
  • 3/4 cup of cocoa (unsweetened, good quality if possible)
  • 1 1/2 tsp. baking powder
  • 1 1/2 tsp. baking soda
  • 1 tsp. of salt
  • 2 eggs (organic if possible)
  • 1 cup of milk
  • 1/2 cup of vegetable oil
  • 2 1/2 teaspoons pure vanilla extract
  • 1 cup of hot boiling water

Additional Items you may want to get, makes a nice gift:

  • 1. Preheat your oven to 350 degrees / 180 G Celsius and prepare your cupcake pan with cupcake liners of your choice.
  • 2. In a big bowl, pour together the sugar, flour, baking powder, cocoa, baking soda and salt, set aside.
  • 3. Now you can add the eggs, milk, vegetable oil and vanilla extract. Now beat on medium speed until everything is incorporated.
  • 4. Now carefully pour in the boiling water. Mix with a fork before you start mixing with your mixer, because it can get messy :)
  • 5. Now pour the very thin batter into your cupcake pan and fill up the cupcake liners 2/3 full.
  • 6. Bake in your preheated oven for about 20-24 minutes, use a toothpick, stick in the center of the cupcake, if it comes out clean, the cupcakes are done.
  • 7. Let cupcakes cool for a couple of minutes before you remove them from the pan. Let cool completely on a plate or wire rack.
  • 8. When completely cooled, you can start frosting them. The marshmallow frosting recipe follows below.
  • Please have a look at this pictorial, so you can follow the steps easier:

Now prepare the Peanut Butter Filling by following this recipe here.

  • 1. Fill your peanut butter mixture into a piping bag fitted with a round piping tip.
  • 2. Stick the piping tip way inside the middle of the cupcake and press out the peanut butter filling as you move up.
  • See the pictorial here:

  • 8. And you are done, let’s move on to the marshmallow seven minute frosting.
  • Prep Time 10 minutes
  • Mixing Time 11-15 minutes
  • Difficulty Easy-Medium
  • Servings for 15-24

For the Marshmallow Frosting (slightly adapted from Martha Stewart):

  • 1. To make the frosting, combine sugar, the egg whites, water and cream of tartar in a big bowl / bowl of an electric mixer.
  • 2. Whisk until everything is extremely well incorporated and a little foamy. Now set your bowl over a pot or kettle of simmering water and whisk (5 minutes). The sugar needs to be dissolved, that is very important.
    To test if the sugar is dissolved, rub a little bit of the mix between two fingers, you will notice undissolved sugar crystals. Stir a little longer until sugar is completely dissolved.
  • 3. Now transfer your bowl to a stand mixer (whisk attachment) or mix it with a hand mixer, but it will take longer! See the Instagram Video below, I used a hand mixer, so there is proof it works :)
  • 4. Now let’s beat: On high speed until your marshmallow frosting forms stiff peaks – it will take about 11-15 minutes.
  • 5. Add vanilla extract and beat again until combined.

  • (Instagram Video – niner bakes)

  • 6. Now taste it: Isn’t it delicious?

  • And so shiny…

  • Now Transfer the frosting to a large pastry bag which is fitted with a 1/2-inch round tip or either size you like.
  • 7. Pipe time! Pipe a spiral of frosting or any other swirl you desire, into a 2-inch-high cone shape.
  • Have a look here how I pipe the frosting on the cupcake, I posted a video to Instagram:

  • 8. And you are done and those yummy cuppies are ready to serve.

Here is a little guided tour within and around your cupcake:

Until next time, stay well and safe!
niner

About niner bakes

Hi I'm niner - I blog about cake pops, cupcakes & super healthy things: green smoothies, matcha, super foods & more! Welcome to my blog, I am thrilled you're here :)

50 comments

  1. These cupcakes are absolutely stunning!!! I love the beautiful white frosting constraining the chocolate cupcakes. So yummy!

  2. Lieber Niner,

    Die Schritt-für-Schritt-Anleitungen sind absolut genial geworden. Und die Kombination von Teig, Füllung und Topping hört sich sooo unfassbar lecker an.

    Ich <3 Deinen Blog.

    Liebe Grüße

    Mareike

  3. Hallo liebe Niner,

    vielen Dank für das tolle Rezept, muß ich unbedingt nachbacken!!!

    Der Link für die Erdnussbutter-Füllung lässt sich aber nicht öffnen :(

    ganz liebe Grüße aus Köln

    Derya

  4. Hi Nina
    Iam really impressed it looked amazing ,,
    I just wanna ask you about the floure you rote it twis what is the difference between them..?

    • Hi Rawani, thank you so much!
      And a big thanks to you as well for finding a mistake! Haha, thank you! I corrected it and updated the post :)
      Happy baking,
      niner

  5. Hi Niner!
    What a fabulous post! These cupcakes look sooooo goood! Love the gorgeous photographs, and love the instagram videos!
    Off to pin!
    xo,
    Marian

  6. sieht sehr lecker aus und ich liebe marshmallow-fluff/-frosting.
    allerdings sind die teilchen auch ganz schön kalorienhaltig ;)

    Grüßle

  7. I’m so excited to learn that you have a YouTube channel! I just subscribed and am ready to start watching some videos!

    These cupcakes do definitely sound heavenly. My hubby would love the chocolate & peanut butter combo. Hello, perfect Valentine’s Day dessert!

  8. Liebe Niner,

    These look great and I can’t wait to give it a try.

    Can you please tell me how long the frosting can keep? In or out of the fridge?

    Danke

  9. I just finished doing the marshmallow frosting! it was delicious!!!! :D Everyone loved it!

    I had a couple questions though. If there is some frosting leftover will it be good by the next day if i put it in the fridge? And if I make the cupcakes a day ahead will the frosting still be tasty the next day??

    THANKS for the recipe!

  10. Hi!!!! Can you teach us how to make the peanut butter mixture???? What i mean….what ingredients are needed????

  11. Hello Niner!

    I am a huge fan of your website and I need to talk to you over email about some things on your website! Please contact me ASAP.

    Isabella

  12. Ich habe die Cupcakes zum Geburtstag von meinem Mann gemacht und es waren alle Begeister. Ich liebe Erdnussbutter!!!! Einfach nur toll.

  13. Hi niner! I tried your recipe last night, and everybody loved it! thanks for sharing your delicious recipes plus the tricks which make baking easier for me who is such a newbie.. I love every detail in your blog.. More power to you!

    • Hi Maria,
      what a lovely feedback from you, thank you SO much! I am so happy you enjoy my blog :)
      Please come back anytime :) Do you have a photo you want to share?
      You can post it to my FB Wall and I will upload it to the blog reader’s album.
      Many blessings to you and happy baking,
      niner

  14. I have to make three dozen cupcakes for my sisters birthday, and I’ve been wanting to find a new yummy frosting to try, and this is it! I was wondering about how many cupcakes do you get out of a batch of this frosting? I am so excited to try this recipe out, it looks finger and bowl licking good!!

    • Hi Erin,
      thank you :)
      It is finger and bowl licking good, at least for me :)
      It depends how much you pipe on each cupcake, I would say 12 to 17 if you put a little more on each cupcake.
      Have a wonderful week,
      niner

  15. Hi Niner,

    We just finished making your vanilla cupcakes with this amazing marshmallow frosting. It is gorgeous, pure white and delicious!! My question is, do you need to cook the mixture over the double boiler for a certain amount of time for the eggs to be safe? We ended up keeping ours on a little longer than probably necessary just because I was concerned about the raw eggs. Also, it makes quite a big batch, so we have a good amount leftover (yay, more reason to bake again!). Will it keep long in the fridge?

    • Hi Chris,
      so good to hear you enjoyed the recipe! :)
      I usually cook it a little longer too, until the sugar is dissvoled.
      I have not tested it yet, how long it will keep in the fridge. Would you let me know?
      Many blessings,
      niner

  16. How long will the icing keep for? They look so nice

  17. Has anyone made this frosting the day before? I need it early in the morning for a baby shower and would rather not get up earlier to make it….

  18. Durch Zufall bin ich auf diese wunderbare Seite gestoßen! Vielen Dank dafür!

    Zu dem Frosting hätte ich aber noch eine Frage. Marshmellows kann man ja auch schön im Wasserbad schmelzen. Könnte ich die Masse auch als Frosting nutzen?

    Liebste Grüße
    Izabela

    • Hi Izabela,
      ganz lieben Dank! :)
      diese Methode habe ich persönlich noch nicht ausprobiert, daher kann ich dir nur sagen: Versuch es auf jeden Fall, mich würde interessieren, ob es reibungslos geklappt hat?!
      Happy baking :)

  19. Hey :)
    ich habe deine Seite heute zufällig über dein Cheesecakerezept entdeckt (welches ich auch noch ausprobieren muss !! :D <3 ). Aber zu dem Cupcake Rezept hätte ich noch eine Frage. Vanilleextrakt ist schwer zu bekkommen wenn man spontan backen will, hast du eine leckere Alternative zu dem Produkt von American Heritage? Eine die man in normalen Supermärkten kaufen kann? :)
    Liebe Grüße!

    • Hi there,
      liebsten Dank für deinen Comment – es gibt bei Edeka” title=”Vanilleextrakt” target=”_blank”>Edeka sehr oft – und es ist wirklich gut. Probier das doch mal :)
      Lieben Gruß :)

  20. Hey there!

    I was wondering if this frosting sets up stiff similar to a butter cream frosting, or does it stay soft? I was thinking of using this recipe, but I’m not sure if it’ll travel well in the car!

  21. Hallo niner, ich habe die cupcake gebacken und das topping ist der hit. Bei mir ist leider der Kuchen nicht fluffig. Oder muss er nicht fluffig sein. Hmm.. Liebe Grüße Malle

  22. Hi! The cute dotted cups shown or at least what i’ve found are not intended for baking, so inside them i guess there’s a regular baking cup. I tried your recipe it is easy and convenient to pour, but the regular paper baking cups get soggy and loose their shape which makes the look of the cupcake messy. Is it something i might be doing wrong or how do you prevent that? Or is the only solution to insert them in another party cup?

  23. Hi there!

    I will be using your fabulous recipe for my three year Bbday party.
    Do you suggest baling cupcake day prior and frosting following day? Or both on the same day? Will cupcake do well sitting out overnight and then frosting in the morning?
    I need to prepare 25 cupcakes n be ready to go by 10am..
    Any suggestions?
    Thank you!

    • Hi Ilena,
      thanks for your visit here :)
      Usually it is best to bake and make the frosting on the same day but I have done that before: Baking one day, frosting the next. The cupcakes were fine sitting on the counter overnight.
      Have a blessed week :)
      niner

  24. I dont know why but it took me more tan 30 minutes in making the frosting stiff :(0

    • Hi Marose,
      this is totally fine, did you use a handmixer? It took me that long a couple of times with a handmixer :)
      Blessed week to you,
      niner

  25. Your cupcakes are beautiful! I made them today, taste great not nearly as pretty. Anyhow this is what I would do next time, I would use the heavier duty cupcake liners, I used the lighter and they held up, but if you are going to pile on as much frosting that’s in the pic, go for the better liners. Next I ended up with a almost a whole mixing bowl full of frosting left over. Now I brought my cupcakes to a casual bbq, no special occasion so I didn’t know how I was going to transport them with all that frosting, plus I had to put them in a cooler for transport. I would make these again maybe just do half the frosting receipe. Any suggestions for my leftover frosting besides more cupcakes?

    • Hi Kara, thanks so much for your comment :)
      I usually pipe the frosting way up high so there won’t be any leftovers and if there were, I probably would eat it with a spoon.
      You can make more cupcakes to use it all up?
      Wishing you a lovely start into your week,
      niner

  26. Hey Niner! :)
    Vieeeelen Dank für all die tollen Rezepte! Hab bis jetzt den Cheesecake ausprobiert ( abgesehn davon dass wir keine richtigen kekse gefunden haben :/ nicht zu empfehlen sind Oreos’ !!! :D ) richtig lecker! Diese Muffins MUSSTE ich jetzt schon 3 mal backen weil meine Freunde süchtig danach sind :D ! Kurz gesagt wir lieben deinen Blog!!! Bitte poste noch viele weitere Backrezepte (insbesondere für Cupcakes und Kuchen bzw. Torten! ). Wäre toll wenn du auch immer noch Alternativen zu den amerikanischen Produkten angeben könntest, da die kurzfristig nur sehr schwer zu riegen sind ! :D
    Liebe Grüße Lea :) !

    • Hi Lea, vielen lieben Dank für dein Feedback.
      Du hast defintiv Recht, nicht immer bekommt man die Zutaten hier.
      Ich freue mich sehr, dass euch das Rezept gefällt! Zur Zeit backe ich weniger, aber ihr werdet es sicherlich hier erfahren, wenn es wieder neue Rezepte gibt :)
      Alles Liebe und happy Wednesday!
      niner

  27. Hey Niner ,
    Awesome recepie and amazing pictures .
    I just wanted to know can we refrigerate this frosting for later use or we have to use this right away?
    Also can we burn this the way we can burn other marshmallow frostings ??

  28. Hey! So I was wondering if this marshmallow frosting kept…as I see many of you are wondering as well. I didn’t leave a comment, and instead looked for the answer among the thread. I don’t see an answer, well here ya go….YES, it does keep. You can make it and keep it in the bowl in the refrigerator, you can make it and pipe it onto your cupcakes, stick them in the refrigerator or even keep them on the counter until the party. And with LEFT OVERS…yay!…You can make meringue cookies!! Fold in a cup of mini chocolate chips to the left over frosting and pipe them out onto a buttered/floured cookie sheet. Bake at 200*F for 3 hours with the oven door propped open with a wooden spoon. If you don’t want meringue cookies, and if it’s cold where you are (or warm, whatever) you can use the left over frosting in a cup of hot cocoa :) Very versatile frosting! Thanks for the recipe, it was a huge hit at my son’s Olaf (from Frozen) birthday party…looked just like snow.

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