Ganache-Filled Chocolate Cupcakes with Marshmallow Frosting

Ever since I made these, I have been thinking about making them again – but doing things a bit differently to make sure that the Ganache stays intact.  Someone even commented on the post and alerted me to a web discussion going on about this very issue – with the very recipe from Cook’s Illustrated. It was an interesting discussion, I could tell that there were a lot of frustrated bakers out there.  I wasn’t that frustrated just because the cupcakes were so outstanding, so what if the Ganache ended up melting through the cake. Still, it was fascinating.  There was even one person that suggested Cook’s Illustrated PhotoShopped the picture, and made it look like the Ganache stayed together.  Whatever will be, will be.  But I wanted another chance.

I saw this recipe in Bon Appetit, and it was the word “filled” that caught my attention.  I read the recipe, and there it was – fill the cupcakes after they bake.  I know, I know – of course that’s how you do it – but it was so cool to think you could actually put a spoonful of Ganache on the batter, and have the cake bake around it.  That method just wasn’t in the cards for me, and I decided that filling the cupcakes after they bake was the only way for me to be successful quickly – without making hundreds of cupcakes to figure out the best method.  Well, this one certainly worked – the problem was that the filling and the frosting were the best parts – the cake was nothing to write home about.  Nothing like the cake in the this version.  So – I bet you can guess what I am going to do next?  Exactly – this process with the other cake – I can’t wait!



  • 1 3/4 cups all-purpose flour
  • 3/4 cup unsweetened cocoa powder
  • 3/4 teaspoon baking soda
  • 3/4 teaspoon salt
  • 1 3/4 cups sugar
  • 3/4 cup (1 1/2 sticks) unsalted butter, room temperature
  • 2 large eggs
  • 1 teaspoon vanilla extract
  • 1 cup hot water
  • 1 1/4 cups bittersweet chocolate chips (about 7 1/2 ounces; do not exceed  61%  cacao)

Filling and Frosting

  • 1 cup heavy whipping cream
  • 1 1/2 cups bittersweet chocolate chips (do not exceed 61% cacao)
  • 1 cup sugar
  • 2 large egg whites
  • 1/4 teaspoon cream of tartar
  • Pinch of coarse kosher salt
  • 1 teaspoon vanilla extract



Preheat oven to 350°F. Line two 12-cup standard muffin pans  with paper liners. Sift flour, cocoa powder, baking soda, and salt into medium  bowl. Using electric mixer, beat sugar and butter in large bowl until light and  fluffy, about 2 minutes. Add eggs 1 at a time, beating until well incorporated  after each addition. Beat in vanilla, half of flour mixture, then 1 cup hot  water. Add remaining flour mixture; beat just until blended. Let batter stand  until cooled and slightly thickened, about 5 minutes. Stir in chocolate chips.  Divide batter among muffin papers (about ¼ cup batter each).

Bake cupcakes until tester inserted into center comes out with  some crumbs attached, 22 to 25 minutes. Cool cupcakes completely in  pans.

Filling and Frosting

Bring cream just to boil in heavy small saucepan. Place  chocolate chips in medium bowl; pour hot cream over. Let stand 1 minute, then  whisk until melted and smooth. Let stand at room temperature until cool and  firm, about 2 hours. (Alternatively, chill ganache until cool and firm, stirring  occasionally, about 1 hour.)

DO AHEAD Can be made 4 hours ahead. Let  stand at room temperature.

Whisk 1/3 cup water, sugar, egg whites, cream of tartar, and  coarse salt to blend in large metal bowl. Set bowl over saucepan of barely  simmering water. Using electric mixer, beat mixture until soft peaks form, about  5 minutes. Remove bowl from over water and continue beating until frosting is  cool to touch, stiff, and billowy, about 2 minutes. Beat vanilla into  frosting.

Using thumb, press down center of each cupcake from top to  bottom, forming deep pocket. Spoon or pipe ganache into pocket  of each  cupcake.

Frost cupcakes, forming tall peaks.

DO AHEAD Cupcakes can be made 1 day ahead. Cover with cake dome and store at room  temperature.

For a printer-friendly version of this recipe, please click here:  Ganache-Filled Chcoolate Cupcakes with Marshmallow Frosting

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8 thoughts on “Ganache-Filled Chocolate Cupcakes with Marshmallow Frosting

  1. I love filled cupcakes and these ones look so pretty! If you have a simple apple corer (not a slicer/corer) you can use that to very easily scoop out a little ganache chamber. (And then you can snack on the resulting tiny cupcake pieces…)

  2. I too read the CI bulletin board discussion – and was amazed at the dedication of that one baker in particular. I hope you try – and post the results of – your hybrid soon :) My husband is a chocolate lover to the extreme, and I am anxious to try your experiment. (I just wasn’t willing to have repeated fails of the CI cupcake…)

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