A creamy marshmallow mint filling is sandwiched between perfectly soft and chewy chocolate cookies. You won’t be able to resist these Chocolate Marshmallow Mint Sandwich Cookies! They’re perfect for St. Patrick’s Day or any day of the year!
Another Daring Gourmet original for your St. Patrick’s Day sweet tooth. Tender, chewy chocolate cookies with a creamy marshmallow mint filling. You won’t be able to resist these! I wanted a cookie that was soft and chewy and flat at the same time. Flat works best for sandwich cookies so they don’t topple over. These meet all the criteria. I love marshmallow fillings and I incorporated mint into it to complement the chocolate and because it’s a fitting match with the color green for the St. Patrick’s Day theme.
Chocolate Marshmallow Mint Sandwich Cookies Recipe
Let’s get started! Add the sugar and butter in a large mixing bowl. (Note: I made half a batch this time while initially experimenting with this creation, so ignore the actual quantities in the pictures.)
Using an electric mixer, cream the butter and sugar for several minutes until pale and fluffy.
Add the eggs and vanilla extract and beat just until combined.
In separate bowl, add the flour, cocoa powder, baking soda and salt. Stir until combined.
Add the flour mixture to the wet mixture, half of the flour mixture at at time.
Stir the cookie dough until well-combined. It will be quite stiff.
Divide the dough in two and roll each half into a log of about 2 inches in diameter and a foot long.
Roll the logs in waxed paper and refrigerate for at least 2 hours.
Slice the logs into 1/4 inch thick rounds.
Place each cookie on a nonstick cookie sheet, spaced about 2 inches apart.
Bake in a preheated oven at 350 F for 10-12 minutes. Allow the cookies to sit on the cookie sheet for 3 minutes. Mine were just a tad too close together. Any closer and they would have been square sandwich cookies.
Transfer the cookies to a wire rack to cool and completely.
To make the filling, add the butter, marshmallow cream, and mint extract.
Use an electric mixer to beat until thoroughly combined and add green food coloring according to your desired shade of green. Check out this all-natural food coloring.
Spread about a tablespoon of the filling on the bottom side of one of the cookies and then place the other cookie on top. Repeat for all of the cookies.
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