Chocolate Mint Sandwich Cookies

These chocolate mint sandwich cookies are soft and chewy with homemade peppermint buttercream inside. This is my mom’s famous recipe!

Chocolate mint sandwich cookies with candy cane peppermint filling.

These are the cookies my mom would ALWAYS make every year at Christmas. They’re thick, soft and filled with a sweet peppermint buttercream. I get numerous requests for this recipe every holiday season, so here it is!

Traditionally, these cookies are filled with green peppermint frosting, however, we like to make half of the batch with a pink tinted crushed candy cane buttercream. The choice is yours folks! If you’re a super indecisive person like myself, do both.

Chocolate mint sandwich cookies pile on a plate ready to be served.

This cookie recipe is different than any other cookie recipe I have ever made. Why? Because you make it on the stovetop! 

The butter and sugar get melted in a large nonstick pot, then you remove it from the heat and stir in a bag of semisweet chocolate chips, water, and the dry ingredients. Pretty strange, huh? I like to use a wooden spoon to mix the dough together. It’ll look shiny and greasy, don’t freak out, you haven’t ruined it! As it bakes it magically transforms into thick, chewy cookies.

The dough for chocolate mint sandwich cookies.

After the dough has been mixed, you’ll want to roll in into balls. I typically make mine about 1 1/2 inches in diameter.

Place the dough onto a lined baking sheet. Parchment or silicone mats are both great options. You can place more cookies on the sheet because they don’t spread as much as a classic chocolate chip cookie would. 20 instead of 12 is standard for this recipe.

Balls of dough rolled and place on a silpat silicone baking mat.

Bake the cookies for 8-10 minutes. DO NOT OVER BAKE. The cookies should still be soft, not hard and dry. Remove the cookie sheet from the oven and let the cookies cool for 3 minutes before transferring them to a wire rack to cool completely. This will allow them to set.

While the cookies are cooling make the buttercream frosting. You can either do this in a stand mixer or in a large mixing bowl using a hand mixer. The process is pretty straightforward. Cream the butter with the salt, add the powdered sugar, then the milk, peppermint and food coloring (and candy canes if desired).

A close up of the inside of a chocolate mint sandwich cookie.

Pipe the buttercream into the center of one cookie, then add a matching cookie on top. Gently sandwich the cookies together. Let them sit for 30 minutes to allow the frosting to set or harden.

NOTE: I grew up using a knife to spread the frosting on, however now I use a large 18-inch pastry bag fitted with a round tip to do it. This method is quicker and more uniform. Both methods work! 😊

Chocolate mint sandwich cookies are perfect for Christmas parties and cookie exchanges.

Watch these chocolate mint sandwich cookies disappear before your eyes. Seriously! My mom still gets requests for these cookies, they are loved by families all over northern California. I hope you’ll love them too! 

LOOKING FOR MORE AMAZING PEPPERMINT RECIPES? TRY THESE:


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Chocolate Mint Sandwich Cookies

Chocolate Mint Sandwich Cookies

Yield: 1 dozen sandwich cookies
Prep Time: 30 minutes
Cook Time: 10 minutes
Additional Time: 30 minutes
Total Time: 1 hour 10 minutes
These chocolate mint sandwich cookies are soft and chewy with homemade peppermint buttercream inside. This is my mom's famous recipe!

Ingredients

For the dough:

  • 3/4 c. ( 1 1/2 sticks) unsalted butter
  • 1/2 c. brown sugar, packed
  • 1 (12 oz.) bag of semisweet chocolate chips
  • 2 tbsp. water
  • 1/2 tsp. vanilla extract (optional)
  • 2 eggs
  • 3 c. all-purpose flour
  • 1 1/4 tsp. baking soda
  • 1 tsp. coarse kosher sea salt

For the frosting:

  • 1/3 c. unsalted butter, softened
  • 1/8 tsp. coarse kosher sea salt
  • 3 c. powdered sugar
  • 3/4 tsp. peppermint extract
  • 2-4 tbsp. whole milk
  • Food coloring (optional)
  • 3 tbsp. finely crushed candy canes (optional)

Instructions

  1. Preheat oven to 350 degrees. Line a baking sheet with parchment paper or silicone baking mats, set aside.
  2. In a large saucepan over low heat, melt butter. Add brown sugar and stir with a heatproof spatula. Remove mixture from heat. Add in water, then chocolate chips, stir until chips are melted.
  3. Beat in eggs one at a time, then add the vanilla. Fold flour, baking soda, and salt. Mix until a buttery dough forms (it will be greasy looking).
  4. Roll dough into 1½” balls and place on a baking sheet. Place into oven and bake for 8-10 minutes. Remove from oven and allow to cool on baking sheet for 3-4 minutes before transferring to a wire rack to cool completely. 
  5. While the cookies are cooling, in the bowl of a stand mixer or a large mixing bowl with a hand mixer, cream butter and salt for 1 minute. Turn mixing speed to low, gradually add the powdered sugar one cup at a time. Add the milk and peppermint extract (and food coloring or candy canes if desired). Gradually turn speed up and continue beating for 2 minutes until light and fluffy. 
  6. Place filling into a large piping bag fitted with a large round tip, and pipe onto one side of a cooled cookie. Place a “top” on it (you will want to try to match up similar size/shape ones). Allow cookies to sit for 30 minutes before serving.

Did you make this recipe? Share it on Instagram and tag it #LMSbakes. I love to see your creations!