Banana Cupcakes with Peanut Butter Buttercream

These quick and easy to make banana cupcakes are frosted with peanut butter buttercream and topped with chocolate jimmies.
Banana Cupcakes with Peanut Butter Buttercream

Hello.  My name is Maryanne and I am a TV junkie.

I admit that I choose to stay home during weeknights because I am addicted to too many shows.  I am aware that I can just dvr everything and watch it later.  I can’t wait that long.   I let the show record for 10-15 minutes before I start watching so I have enough slack to fast forward through commercials.Banana Cupcakes with Peanut Butter Buttercream

Big sigh of relief to get that off my chest.  I’ve grown up my whole life believing that television rots your brains.  That is no longer the case.  TV doesn’t rot your brains.  According to The Walking Dead, Zombies are the cause of rotting brains.

Sunday nights are very difficult.  I have to juggle Revenge, Downton Abbey, and Girls.  On Monday nights, I’m not sure which scares me more- The Bachelor or The Following.  Both are addicting and frightening in their own respects.  And a new show that I think will become favorite is Monday Mornings.   Tuesdays and Wednesdays, I laugh a lot.  I love New Girl, Tosh.0, and Modern Family.  Smash also started this week but I haven’t decided if I like this season.  Also on Wednesdays, Top Chef Seattle.  I really hope Sheldon or Kristen win!  After the episode, I have to run to my laptop to watch Last Chance Kitchen.

Banana Cupcakes with Peanut Butter Buttercream
By Thursday night, I am exhausted and its time to recuperate for weekend activities.  Thursdays are perfect for relaxing, stress free baking.
These banana cupcakes are easy peasy.  From start to finish (including gathering all your ingredients and washing the dishes), it only takes one episode of The Vampire Dairies.

Banana Cupcakes with Peanut Butter Buttercream

Yield: makes 1 dozen cupcakes

Author The Little Epicurean

Ingredients

Banana Cupcakes:

  • 1/2 cup granulated sugar
  • 1/3 cup grapeseed oil, or other neutral tasting oil
  • 2 very ripe bananas, mashed
  • 1 large egg
  • 1 large egg yolk
  • 1 teaspoon vanilla paste, or pure vanilla extract
  • 1 1/4 cup all-purpose flour
  • 1 teaspoon baking soda
  • 1/2 teaspoon fine sea salt
  • 1/2 cup buttermilk
  • 1/2 cup walnuts, toasted, roughly chopped

Peanut Butter Buttercream:

  • 2 large egg whites
  • 1/4 cup granulated sugar
  • 8 Tablespoons unsalted butter, cut into tablespoons, softened
  • 1/4 cup smooth peanut butter
  • 1/2 teaspoon fine sea salt

Instructions

Banana Cupcakes:

  1. Preheat oven to 350 degrees F.  Line muffin tin.  Set aside.

  2. In the bowl of stand mixer, beat together sugar and oil. Add mashed bananas. Lightly whisk together egg and yolk, then add into mixture along with vanilla paste. Mix until combined.

  3. In another bowl, whisk together flour, baking soda, and salt. Add flour mixture to mixing bowl in three additions, alternating with buttermilk. Begin and finish with flour mixture. Add walnuts. Mix until just combined.

  4. Divide batter among 12 cupcakes. Bake in preheated oven for 18-20 minutes until cakes are set and done. Let cool in pan for a couple minutes before unmolding and allowing to cool completely on racks.

Peanut Butter Buttercream:

  1. Whisk together egg whites and sugar over a bain-marie.  Whisk constantly until mixture registers 160 degrees F on thermometer.

  2. Transfer mixture to bowl of stand mixer. With a whisk attachment, whisk on medium speed until soft peaks. The mixture should have cooled to a little warmer than room temperature by this point.

  3. With the machine running on med-low speed, add butter a tablespoon a time. Incorporate the fat slowly and ensure the butter is mixed before adding the next tablespoon. Once all the butter is in, add peanut butter and salt and mix on medium high speed. Beat until buttercream is smooth and shiny.

  4. Spread onto cooled cupcakes and sprinkle with chocolate jimmies.

Recipe Notes

CUPCAKES ADAPTED FROM THE CRAFT OF BAKING

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Never Miss a Recipe!

Plus, get exclusive recipes, tips, and previews through our weekly newsletter.

Daily Blog Posts
Weekly Updates