Thin Mint Cookie Bars: An Irresistible Chocolatey Treat
These Thin Mint Cookie Bars combine the classic flavors of Girl Scout cookies with a rich, fudgy brownie base. Perfect for mint chocolate lovers, this easy dessert recipe delivers that iconic thin mint taste in every bite. Whether you’re craving a nostalgic treat or need a crowd-pleasing dessert, these bars will become your new favorite.
Why You’ll Love These Thin Mint Cookie Bars
With just a few simple ingredients, you can recreate the beloved thin mint flavor at home. The chocolate mint combination makes these bars perfect for holidays, bake sales, or anytime cravings strike. These bars are:
- Rich and fudgy with a crisp cookie topping
- Packed with refreshing mint flavor
- Easy to make with pantry staples
- Perfect for sharing at parties
Ingredients for Thin Mint Cookie Bars
Gather these simple ingredients to make your mint chocolate bars:
- 1 box chocolate fudge brownie mix
- 2 eggs
- 1/2 cup vegetable oil
- 1/4 cup water
- 1 teaspoon peppermint extract
- 1 sleeve thin mint cookies (or similar mint chocolate cookies)
- 1 cup semi-sweet chocolate chips
- 1/2 teaspoon coconut oil (optional, for smoother melting)
How to Make Thin Mint Cookie Bars
Follow these simple steps for perfect mint chocolate cookie bars every time:
- Preheat oven to 350°F and line a 9×9 baking pan with parchment paper
- In a large bowl, mix brownie mix, eggs, oil, water, and peppermint extract until combined
- Pour batter into prepared pan and bake for 20 minutes
- Remove from oven and immediately press cookie pieces into the warm brownie base
- Return to oven for 5 more minutes
- Let cool completely before cutting into bars
Tips for Perfect Mint Chocolate Bars
For the best results with your thin mint dessert bars:
- Use high-quality chocolate chips for the topping
- Add a pinch of sea salt to balance the sweetness
- Let bars cool completely before slicing for clean edges
- Store in an airtight container at room temperature
Variations on Thin Mint Dessert Bars
Customize your mint chocolate treats with these delicious ideas:
- Add chopped Andes mints to the batter
- Swirl cream cheese into the brownie base
- Top with white chocolate drizzle
- Use gluten-free brownie mix for dietary restrictions
Frequently Asked Questions
Can I use homemade brownie batter instead of mix?
Absolutely! Substitute your favorite homemade brownie recipe for the boxed mix. Just be sure to add the peppermint extract to the batter.
How long do these cookie bars stay fresh?
Stored properly in an airtight container, your thin mint bars will stay fresh for 3-4 days at room temperature or up to a week in the refrigerator.
Can I freeze thin mint cookie bars?
Yes! These bars freeze beautifully for up to 3 months. Wrap individual bars in plastic wrap before freezing for easy portioning.
Serving Suggestions for Your Mint Chocolate Treats
These versatile thin mint bars are delicious on their own, but try these serving ideas:
- Top with vanilla ice cream for a mint chocolate sundae
- Crumble over yogurt for a breakfast treat
- Serve with coffee or hot chocolate
- Package in decorative boxes for homemade gifts
Whether you’re a fan of Girl Scout cookies or just love the chocolate mint combination, these Thin Mint Cookie Bars are sure to satisfy your sweet tooth. The easy preparation and crowd-pleasing flavor make them perfect for any occasion. Try this recipe today and enjoy the classic thin mint taste anytime!
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Thin Mint Cookie Bars
Description
A delicious no-bake dessert inspired by the classic Thin Mint cookies, featuring a chocolatey crust, minty filling, and a smooth chocolate topping. Perfect for mint chocolate lovers!
Ingredients
For the Crust:
- For the crust:
- 1 1/2 cups chocolate cookie crumbs
- 1/4 cup unsalted butter, melted
- 2 tablespoons granulated sugar
- For the mint layer:
- 1/2 cup unsalted butter, softened
- 2 cups powdered sugar
- 1 1/2 teaspoons peppermint extract
- 1–2 drops green food coloring (optional)
- 2 tablespoons heavy cream
- For the chocolate topping:
- 1 cup semi-sweet chocolate chips
- 1/4 cup heavy cream
- 1/2 teaspoon vanilla extract
Instructions
1. Prepare the Crust:
- 1. Line an 8×8-inch baking dish with parchment paper, leaving an overhang on the sides for easy removal.
- 2. In a medium bowl, mix the chocolate cookie crumbs, melted butter, and sugar until well combined. Press firmly into the bottom of the prepared dish. Chill for 15 minutes.
- 3. For the mint layer, beat the softened butter and powdered sugar until smooth. Add the peppermint extract, food coloring (if using), and heavy cream. Mix until fluffy and spreadable.
- 4. Spread the mint layer evenly over the chilled crust. Return to the fridge for 30 minutes to set.
- 5. For the chocolate topping, heat the heavy cream in a small saucepan until just simmering. Pour over the chocolate chips in a heatproof bowl. Let sit for 2 minutes, then stir until smooth. Stir in the vanilla extract.
- 6. Pour the chocolate topping over the mint layer and spread evenly. Chill for at least 2 hours or until fully set.
- 7. Use the parchment overhang to lift the bars out of the dish. Cut into squares and serve chilled.
Notes
Store leftovers in an airtight container in the refrigerator for up to 5 days. For a stronger mint flavor, add an extra 1/2 teaspoon of peppermint extract to the mint layer.
