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This ultimate mint brownie recipe transforms ordinary boxed mix into a spectacular dessert that will satisfy even the most demanding chocolate-mint cravings. The combination of fudgy brownies, crisp Mint Oreos, and smooth Andes mints creates perfect textural contrast and flavor harmony that always disappears from my dessert table first.
I first created these layered mint brownies for my son's birthday after he requested something chocolatey with mint. The combination was such a hit that they've become our signature family dessert for celebrations and potlucks alike.
Ingredients
- Brownie mix plus preparation ingredients: Adds the perfect chocolatey base for our mint toppings
- Mint Oreos: Provide both the crunchy crust and decorative topping
- Andes mints: Melt into a smooth minty layer that gives these brownies their signature look and taste
- Butter for greasing: Ensures the brownies release perfectly from the pan every time
Step-by-Step Instructions
- Prepare the Pan:
- Generously coat your 9 inch square baking pan with butter making sure to cover the sides completely. Arrange whole Mint Oreos in a single even layer covering the entire bottom of the pan. This creates a delicious cookie crust that adds wonderful texture and flavor contrast to the finished brownies. Take your time here to ensure the Oreos fit snugly together.
- Create the Brownie Layer:
- Mix the brownie batter according to package directions until smooth and well combined. Pour the prepared batter carefully over the Oreo layer making sure to cover all cookies evenly. The batter should completely cover the cookies and reach all corners of the pan for consistent thickness throughout.
- Bake to Perfection:
- Place the pan in a preheated oven and bake according to the brownie mix directions usually about 25 to 30 minutes. The key to perfect brownies is to remove them when a toothpick inserted in the center comes out with a few moist crumbs still clinging to it. Overbaking will result in dry brownies so watch carefully during the final minutes.
- Add the Mint Layer:
- Immediately place unwrapped Andes mints across the entire surface of the hot brownies creating a complete layer. Return the pan to the still warm oven for exactly 2 minutes which softens the mints without melting them completely. Remove and use a knife or offset spatula to gently spread the softened mints into a smooth even layer covering all the brownies.
- Finish with Oreo Topping:
- While the mint layer is still warm sprinkle the chopped Mint Oreos evenly across the top. Press them gently into the melted Andes layer so they adhere well but don’t sink completely. Allow the entire pan to cool at room temperature for at least one hour until the mint layer has fully set.
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The combination of store-bought ingredients in this recipe is my secret weapon for impressive desserts without hours in the kitchen. My daughter who typically dislikes mint flavored anything requests these brownies for every special occasion proving their universal appeal even among picky eaters.
Perfect Cutting Technique
For clean professional looking brownie squares use a sharp knife wiped clean between each cut. For the absolute neatest presentation refrigerate the brownies for 30 minutes before cutting which firms up the mint layer and prevents smearing. I find that a plastic knife actually works surprisingly well for cutting these brownies as it prevents the mint layer from sticking to the blade.
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Storage Information
These mint brownies maintain their quality for up to a week when stored in an airtight container at room temperature. For longer storage wrap individual brownies in plastic wrap and freeze for up to three months. The contrast between the crunchy Oreo base and the fudgy brownie actually improves after the first day as the flavors meld together making these an excellent make-ahead dessert option.
Customization Options
While Mint Oreos are specified in the recipe regular Oreos work beautifully for those who prefer a less intense mint flavor. You can also substitute other flavored Oreos like peanut butter or birthday cake for completely different flavor profiles. For an extra decadent version drizzle the cooled brownies with chocolate ganache before serving for an additional layer of richness and visual appeal.
Frequently Asked Questions
- → Can I use homemade brownie batter?
Yes, you can use homemade brownie batter if you prefer. Adjust the baking time as needed.
- → How do I store these brownies?
Store the brownies in an airtight container at room temperature for up to a week. Refrigeration may extend shelf life.
- → Can I substitute the Andes mints?
Yes, you can use other chocolate mints or even chopped chocolate bars for variation.
- → What size pan works best?
A 9-inch square pan works best for an even bake. Ensure it's greased or lined for easy removal.
- → How long should I let the brownies cool?
Let the brownies cool for about an hour to allow them to set before slicing and serving.