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    Home » Recipes » Sweets » Peppermint Mallow Whoopie Pies

    December 3, 2018

    Peppermint Mallow Whoopie Pies

    5 from 2 votes

    Leave a comment

    Dec 3, 2018

    (updated Jul 3, 2021)

    by Lori Murphy

    Jump to Recipe Print Recipe

    Peppermint Mallow Whoopie Pie sandwiches chocolate "cakes" with marshmallow and gives it some holiday glamor with crushed peppermint. Whoop whoop! Adapted from King Arthur Flour and David Leite.

    Forgive the inevitable puns in this post but I just can't help it. Makes me want to whoop it up.

    Whoops! I did it again.

    Whoopsie daisy!

    Why make this recipe?

    As I mentioned above, sometimes (many times) a recipe comes from what I have a taste for or it is inspired by something I tried elsewhere. But there are other times where I just think about something that I haven't made before to the point that I can't get it out of my head until I do just that- make it.

    I've actually never made a whoopie pie so I did my research and adapted this recipe from a couple of sources. You might want to say I sandwiched a couple of recipes together and added my own twist.

    The ingredientsingredients for peppermint mallow whoopie pies like cocoa, butter, peppermint candy, espresso powder and egg

     The cookie base is adapted from King Arthur Flour and the filling is a scaled down version of the marshmallow frosting used on the Magnolia Bakery Coconut Cake. I adore marshmallow and chocolate together and this filling is like a homemade version of Fluff. Can you use Fluff? 100%.

    However, once you make this filling and see how easy it comes together- especially because you don't have to leave your house to shop for unusual ingredients- and you know what's in it. Not to mention I consulted with my baking consultant, Leslie, and I got the thumbs up from her.

    Whoops! I almost forgot to mention about the crushed peppermint candy. I bought crushed peppermint candy at the store and it was totally worth the price. It beats unwrapping candy canes and pounding them but I'll leave that up to you. Crushing peppermint would be a great stress reliever for sure.

    Making whoopies

    Let's start with the cookie (or is it cake?). King Arthur nails this version and the addition of the instant espresso powder is critical to enhance the chocolate. It says optional but as far as I'm concerned it's not. But you don't have to report back if you used it or not.

    Another point of reference is the use of Dutch-processed cocoa. I am not a sciency kind of girl but I had to research this and wanted to share the difference between traditional unsweetened cocoa powder and Dutch-processed cocoa. Maybe you already know but if not this excellent post from one of my favorite baking bloggers gives more insight into the ins-and-outs of which to use when. Here's the scoop:

    • when baking powder is used, use Dutch-processed cocoa
    • when baking soda is used, use traditional unsweetened cocoa powder
    • when both are used, choose the above based on which has the higher ingredient content (example: if recipe calls for 1 tsp of baking powder and 1 ½ tsp of baking soda, you would use the traditional cocoa powder)
    • when both are used and the amount is equivalent, use unsweetened cocoa powder.

    Alright -  with the school stuff out of the way, the key to a good whoopie pie base is that it needs to be more of a dough and less of a batter because you don't want the cookies to lose their shape while baking. This batter/dough is stickier and works well with a medium cookie scoop (shown here).

    No shortening filling

    While the cookies are baking, you can work on the filling. Here's where the challenge presents itself. Most traditional whoopie pie recipes have a filling that contains shortening. I had a hard time making a filling with shortening that isn't cooked. I know I eat that in prepared foods I'm sure all the time but I just can't bring myself to add shortening to a filling and convince you to serve it. That being said, this marshmallow filling is softer and doesn't have as much body so making these ahead isn't ideal but boy, the flavor is there. Trade-offs, my friend, trade-offs.

    Make ahead notes

    1. Make the cookies and freeze them if you want. Thaw the day you're planning to serve them.
    2. Make the filling the day you are going to serve them. Earlier in the day is fine - you might have to whip it up a bit with a mixer.
    3. Fill them right before serving.

    Next, sit back and smile. Because you tried something different. And hey - the filling ideas are endless. Peanut butter, mocha, almond - whoopie!

    three peppermint mallow whoopie pies on a white pedestal.
    5 from 2 votes

    peppermint mallow whoopie pies

    Print Recipe
    The dessert for when you want something a little more playful for the holidays. 
    Prep Time:40 mins
    Cook Time:10 mins
    Total Time:50 mins
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    Ingredients
     

    For the Cookie

    • ½ cup butter, unsalted
    • 1 cup brown sugar, packed
    • 1 tsp espresso powder, optional
    • 1 tsp baking powder
    • ½ tsp baking soda
    • ¾ tsp salt
    • 1 tsp vanilla extract
    • 1 egg, large
    • ½ cup Dutch-process cocoa
    • 2 ⅓ cup flour, I use King Arthur
    • 1 cup milk
    • 1 bag Mint Twists (crushed peppermint), I got mine at World Market

    For the Filling

    • 1 egg, separated
    • ½ tsp vanilla extract
    • 4 T cold water
    • ½ cup sugar
    • ⅛ tsp cream of tartar
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    Instructions

    For the Cake

    • Preheat the oven to 350°. Line 2 baking sheets with parchment paper.
    • In an electric mixer, beat together the butter, sugar, espresso powder if using, baking powder, baking soda, salt and vanilla until smooth. Clean the sides of the bowl with a spatula.
    • Add the egg, beating and scraping the sides again.
    • Add the cocoa and stir with a wooden spoon.
    • Alternating with the milk, add the flour to the batter in ⅓ cup increments. 
    • Scrape down the sides of the bowl and mix again with mixer to soften and incorporate everything fully.
    • Using a medium sized cookie scoop or a ¼ cup measure, drop the dough 3 across the cookie sheet so that you'll have enough room for them to spread.
    • Bake for 9-10 minutes until the cookies are set and firm to the touch. Remove them from the oven and after 2-3 minutes, use a spatula to remove them to a wire rack to completely cool.

    For the Filling

    • Separate the white from the yolk reserving the yolk for another use. Place in medium mixing bowl. Add the vanilla to the egg white.
    • With an electric mixer, mix egg white and vanilla until frothy about 1 minute.
    • In a small saucepan over low heat, add the water, sugar and cream of tartar. Once the bubbles start to form on the edges, set a timer for 2-3 minutes. When then the timer is up, remove the pan from the stove and cool for about 10 minutes.
    • With the mixer on medium high, slowly add the sugar water mixture in a steady stream to the egg whites and vanilla. 
    • Mix for approximately 5 minutes until stiff peaks are formed and the filling is glossy and thick.

    Assemble the Whoopie Pies

    • Using about 1-2 tablespoons of filling, top one side of a cookie and sandwich another one on top.
    • Pour crushed peppermint pieces on a plate and lightly roll the cookies edge in the peppermint.
    • Let set on a cookie sheet. Can also be refrigerated for no more than an hour or two.
    Course: Cookies
    Author: Lori Murphy
    Did you make this recipe? Tag @josieandnina or tag #josieandnina!
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