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Homemade Girl Scout Thin Mint Cookies Recipe

Here is a recipe to make these popular Girl Scout Thin Mint cookies yourself ANYTIME of year. It uses simple ingredients, and you can melt the chocolate coating easily in the microwave.
Prep Time 2 hours 30 minutes

Ingredients

Mint Chocolate Cookies

  • 3/4 cup unsalted butter
  • 1 cup sugar granulated
  • 1 large egg
  • 1 tsp vanilla extract
  • 1/4 tsp peppermint extract
  • 1-1/2 cups all-purpose flour
  • 3/4 cup cocoa powder
  • 1 tsp baking powder
  • 1/8 tsp salt

Mint Chocolate Coating

  • 14 ounces semi-sweet chocolate chips
  • 1 tablespoon vegetable oil
  • 1/2 tsp peppermint extract

Instructions

Mint Chocolate Cookies

  • Preheat oven to 350°.
  • In a large bowl, blend the butter and sugar together with a whisk until creamy. Add in the egg, vanilla extract, and peppermint extract.
  • In a separate large bowl, sift together your flour, and cocoa powder. Stir together.
  • Slowly add the flour and cocoa powder mixture to the wet mixture, and mix together.
  • Next, add in the baking powder and salt.
  • Place a large sheet of parchment paper on a flat surface.
  • Divide half of the cookie dough onto the parchment paper. (By only using half of your dough, you’ll be able to fit it all on your parchment paper.)
  • Place another piece of parchment paper on top of the dough and roll it out until 1/4 inch thin.
  • Repeat the last 3 steps for the other half of the dough.
  • Refrigerate the dough for at least two hours. Continue to keep the dough in between the parchment paper.
  • After the dough has cooled in the fridge, remove one flat piece at a time and use a 1- 3/4 to 2-inch round cookie cutter to cut out about 20 cookies.
  • Transfer the cookie dough to a cookie sheet. Give each cookie just a little bit of room to expand. (Since your cookies are so small, and they don’t expand much in the oven, you can place as many on a cookie sheet as you’d like.)
  • Bake cookies for 8 minutes or until fully cooked.
  • Remove from the oven, and transfer to a cooling rack. Allow them to fully cool.

Melted Chocolate Coating

  • Once your cookies have cooled, prepare the melted chocolate coating.
  • Pour the chocolate chips into a medium size microwave safe bowl. Microwave the chocolate chips at 30 second intervals until fully melted, stirring between each 30 seconds.
  • Once melted, add the peppermint oil and vegetable oil.

The Final Steps!

  • Dip the cooled cookies in the melted chocolate. Be sure to fully submerge them (it helps to use a fork). Then lay them on a clean piece of parchment paper.
  • Allow cookies to harden and cool.