Chocolate Whoopie Pies (Printable)

Chocolate sandwich cookies with fluffy marshmallow filling.

# What You Need:

→ Chocolate Cookies

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→ Marshmallow Filling

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# How To Make:

01 - Preheat the oven to 350°F. Line two baking sheets with parchment paper.
02 - In a medium bowl, whisk together the flour, cocoa powder, baking soda, and salt until well blended.
03 - In a large bowl, beat the butter and sugar until light and fluffy, approximately 2 minutes. Add the egg and beat until fully incorporated.
04 - Mix in the buttermilk and vanilla extract. The batter may appear curdled, which is normal.
05 - Gradually add the dry ingredients to the wet ingredients, mixing until just combined. Do not overmix.
06 - Using a cookie scoop or tablespoon, drop rounds of batter (approximately 2 tablespoons each) onto the prepared baking sheets, leaving about 2 inches of space between each.
07 - Bake for 10 to 12 minutes, or until the tops spring back when gently pressed. Cool completely on a wire rack.
08 - Beat the butter until creamy. Add the powdered sugar and beat until smooth. Mix in the marshmallow creme, vanilla, and pinch of salt until fully combined and fluffy.
09 - Spread or pipe a generous dollop of filling onto the flat side of half the cookies. Top each with another cookie, flat side down, to create sandwiches.

# Expert Tips:

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  • The texture is pure magic—cakey cookies meeting cloud-like filling in every bite
  • These transport beautifully to picnics and parties without crumbling like regular cookies
  • One batch makes plenty, so you can share joy with neighbors or keep them all to yourself
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  • The batter looking curdled after adding buttermilk is completely normal and does not mean something went wrong
  • Overmixing once the flour is added will make your whoopie pies tough instead of tender
  • These are best enjoyed the day they are made but still taste surprisingly good after sitting overnight
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  • Use a cookie scoop for uniform size so all pies bake evenly and look professional
  • Chill the assembled pies for 15 minutes before serving—the filling firms up slightly and makes them easier to eat

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