Mint Brownie Sandwich Cookies Recipe (2024)

By Mary | 18 Comments

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Mint Brownie Sandwich Cookies Recipe (1)

If you follow my instagram, you know we're in the wilds of Alaska right now! Yes, this post was pre-written (whaaa?!). Aah the wonders of modern technology — I can leave you for weeks and not miss a beat! Have I mentioned how much I love food blogging? Pretty much the best job ever. EVER.

Mint Brownie Sandwich Cookies Recipe (2)

Well, tomorrow night we'll fly home (overnight, red-eye, EEEW) and be back to the grind. Except even moreso, since we'll be moving and approaching wedding crunch-time. Not to mention two trips to Oregon in July (YES!). Busy busy! Luckily, my mama is coming out next week to help us move! Huzzah!

Mint Brownie Sandwich Cookies Recipe (3)

These brownie cookies are something I've been wanting to make for a long time. Brownies in cookie form? Yes please! I can't say no to mint combined with chocolate, and had some mint chips left over from the amazing chocolate mint chip cookies, so this filling was a no-brainer. Obviously!

Mint Brownie Sandwich Cookies Recipe (4)

The key to this recipe, and I can't stress this enough, is letting the batter SIT before scooping. I ignored this for the first batch and ended up with flat cookies. Then I noticed the batter was thickening, resulting in fluffier cookies, and I realized I should be following the instructions. My rule-following self must have taken a haitus for a second. Never again!

Mint Brownie Sandwich Cookies Recipe (5)

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Mint Brownie Sandwich Cookies Recipe (6)

Mint Brownie Sandwich Cookies

  • Author: recipe adapted from Bakers Royale
  • Prep Time: 30 mins
  • Cook Time: 20 mins
  • Total Time: 50 minutes
  • Yield: 12 1x
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Ingredients

UnitsScale

  • 2 eggs
  • cup sugar
  • 1 tsp vanilla extract
  • 12 oz. dark chocolate, chopped
  • 3 Tbsp butter
  • ¼ cup all-purpose flour, sifted
  • ¼ tsp baking powder, sifted
  • ½ cup butter, room temperature
  • cup mint chips
  • 2 cups powdered sugar, sifted

Instructions

  1. Preheat the oven to 350 F.
  2. Place the egg, sugar, and vanilla in the bowl of a stand-mixer fitted with a paddle attachment and beat, on high, for 15 minutes or until mixture is very pale and fluffy.
  3. While the eggs and sugar are beating, combine 7 oz of the chocolate with the butter in a microwave-safe bowl and microwave in 30-second increments, stirring between, until completely melted. Alternatively, do this on a stovetop over low heat.
  4. Let the chocolate cool until the egg and sugar mixture is ready.
  5. Gently add the chocolate mixture, flour, baking powder, and remaining chocolate to the egg mixture. Fold until completely combined. Let the mixture sit for at least 15 minutes before proceeding.
  6. Scoop ⅛ cup balls of batter onto a parchment-lined baking sheet, and bake for 8-10 minutes, or until the top is cracked and not wet. Remove from the oven and let cool completely before removing from the baking sheet.
  7. To make the filling, beat the butter until light and fluffy. Melt the mint chips in 30 second increments until fully melted, then mix into the butter.
  8. Add the sifted powdered sugar and mix until smooth.
  9. Pipe the frosting between to similarly-sized cookies, and gently press together.

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Reader Interactions

Comments

  1. Pamela @ Brooklyn Farm Girl says

    I can't wait to hear about Alaska.. but first, I have to eat one of these sandwich cookies!

    Reply

  2. Nessa says

    These look incredible! Can't wait to make 🙂

    Reply

  3. G says

    Thanks for this delicious recipe. I made it today to take to a potluck lunch tomorrow. What I did: Not having any mint chips, I made vanilla buttercream frosting. The cookies are so rich that I wanted them to be small, so weighed out 10 grams of dough for each one and baked them just 6 minutes. I got 60 2" cookies, which made 30 sandwiches. (I am a whiz at math!) Each sandwich was really plenty, esp. for a potluck. I am awaiting the rave reviews from my lunch companions tomorrow!
    Love, G

    Reply

    • Mary says

      Oh great! I wish I had made mine smaller - they are a lot to handle!! Hopefully they are a hit tomorrow.

      Reply

  4. sylvia hartwell says

    What are mint chips?

    Reply

    • Mary says

      They're just like chocolate chips, only minty and green! You can find them at most grocery stores alongside the chocolate chips.

      Reply

  5. pauli says

    is that unsweet chocolate??

    Reply

    • Mary says

      Hi Pauli - it is not unsweetened chocolate. I would recommend dark chocolate (and will change the recipe to reflect that!), but you could use a different kind (pay attention to how much sugar you use, though) if you want.

      Reply

  6. Brittany says

    Can I freeze these with good results? Just the cookies themselves before assembling, or even with the cream in the middle??

    Reply

    • Mary says

      Hi Brittany! I haven't frozen them myself, so I don't know for sure, but I would think freezing the cookies would be fine. I would NOT freeze the frosting or assembled cookies — I never think de-frosted frosting is any good. Good luck!

      Reply

  7. Valerie says

    1/4cup flour?

    Reply

    • Mary says

      yes, 1/4 cup flour.

      Reply

  8. Rachel says

    I'm sorry was milk supposed to be part of the filling? Mine butter, melted chips and 2 cups powdered sugar came out to some weird play dough like thing. I added a some milk and whipped it up fine. Anytime I have made icing I have had milk added. Wondering if this was missing.

    Reply

    • Mary says

      Hi Rachel,

      I didn't need any milk for my filling, but our measurements for powdered sugar could be drastically different and call for milk in some situations! I'm glad it worked out for you — good thinking with the milk! Thanks for the comment 🙂

      Mary

      Reply

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