
Rich chocolate mingles with cool mint in these decadent Chocolate Mint Brownies that bring together the best of both worlds. These fudgy treats combine deep cocoa flavor with refreshing mint notes, creating brownies that feel both indulgent and surprisingly light. Perfect for family gatherings or quiet afternoons, they’ve become our go-to dessert when we want something special without spending hours in the kitchen.
Ingredients
For the Brownies:
- 1 cup unsalted butter
- 8 oz dark chocolate, chopped (or 1⅓ cups chocolate chips)
- 1¼ cups granulated sugar
- 4 large eggs
- 1 teaspoon vanilla extract
- 1 teaspoon peppermint extract
- ¾ cup all-purpose flour
- ¼ cup cocoa powder
- ½ teaspoon salt
For the Mint Frosting:
- 4 tablespoons butter, softened
- 2 cups powdered sugar
- 2-3 tablespoons milk
- ½ teaspoon peppermint extract
- Green food coloring (optional)
Substitutions: Swap peppermint extract for mint extract for milder flavor. Use semi-sweet chocolate chips instead of dark chocolate for sweeter brownies. Replace butter with coconut oil for dairy-free option.
Timing
Prep Time: 15 minutes
Cook Time: 35 minutes
Total Time: 50 minutes
Make these ahead on Sunday evening – they actually taste better the next day when flavors have melded together, perfect for busy weeknight desserts.
How to Make It
1. Prepare Your Pan
Preheat oven to 350°F and line a 9×13 inch baking pan with parchment paper, leaving overhang for easy removal. Lightly grease the parchment – this prevents sticking and ensures clean edges when cutting.
2. Melt Chocolate and Butter
In a large microwave-safe bowl, melt butter and chopped chocolate in 30-second intervals, stirring between each. The mixture should be smooth and glossy, not grainy. Let cool slightly while you gather other ingredients.
3. Mix Wet Ingredients
Whisk sugar into the chocolate mixture until combined. Add eggs one at a time, beating well after each addition. Stir in vanilla and peppermint extracts. The batter should look shiny and thick.
4. Add Dry Ingredients
Sift together flour, cocoa powder, and salt. Gently fold into chocolate mixture until just combined – overmixing creates tough brownies. You want fudgy, not cakey texture.
5. Bake to Perfection
Spread batter evenly in prepared pan. Bake 30-35 minutes until toothpick inserted in center comes out with few moist crumbs. The top should look set but still slightly shiny.
6. Make Mint Frosting
While brownies cool, beat softened butter until fluffy. Gradually add powdered sugar, milk, peppermint extract, and food coloring if desired. Spread over completely cooled brownies.
Nutritional Information
Per serving (16 servings): Approximately 285 calories, 12g fat, 45g carbohydrates, 4g protein. These mint chocolate brownies provide a satisfying treat with moderate portions fitting well into balanced family meal planning.
Serving Suggestions
Serve alongside vanilla ice cream for temperature contrast that highlights the mint flavor. Pair with fresh berries or a glass of cold milk for kids. These work beautifully on dessert platters with other recipe favorites.

Common Mistakes to Avoid
Don’t overbake – brownies continue cooking in hot pan after removal from oven. Avoid using too much peppermint extract, which creates medicinal taste rather than refreshing mint. Let brownies cool completely before frosting or the frosting will melt. Cut with clean knife between slices for neat squares.
Storing Tips
Store covered at room temperature up to 4 days or refrigerate for 1 week. Freeze unfrosted brownies up to 3 months. Bring to room temperature before serving for best texture and flavor.
Conclusion
These Chocolate Mint Brownies bring together comfort and freshness in every bite, making them perfect for creating sweet family memories. Try this recipe and watch them disappear from your kitchen counter.
FAQs
Can I make these without mint frosting?
Absolutely! Add extra peppermint extract to the brownie batter and dust with powdered sugar instead.
What if my kids don’t like mint?
Replace peppermint extract with additional vanilla or try orange extract for chocolate orange brownies instead.
Why are my brownies too dry?
Likely overbaked – reduce time by 5 minutes next time and check with toothpick for moist crumbs.
Can I use mint chocolate chips?
Yes, fold 1 cup mint chocolate chips into batter before baking for extra mint chocolate flavor.
How do I get clean brownie squares?
Use parchment paper overhang to lift brownies from pan, then cut with sharp knife wiped clean between cuts.

Chocolate Mint Brownies
Ingredients
Method
- Preheat oven to 350°F and line a 9x13 inch baking pan with parchment paper, leaving overhang for easy removal. Lightly grease the parchment.
- In a large microwave-safe bowl, melt butter and chopped chocolate in 30-second intervals, stirring between each. The mixture should be smooth and glossy. Let cool slightly.
- Whisk sugar into the chocolate mixture until combined. Add eggs one at a time, beating well after each addition. Stir in vanilla and peppermint extracts.
- Sift together flour, cocoa powder, and salt. Gently fold into chocolate mixture until just combined - don't overmix.
- Spread batter evenly in prepared pan. Bake 30-35 minutes until toothpick inserted in center comes out with few moist crumbs.
- While brownies cool, beat softened butter until fluffy. Gradually add powdered sugar, milk, peppermint extract, and food coloring if desired. Spread over completely cooled brownies.

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