Go Back

Best Fudgy Mint Brownies: Step-by-Step Recipe Guide

Rich, fudgy, and refreshingly minty, these mint brownies combine layers of chocolate, cool mint frosting, and a glossy chocolate topping—perfect for chocolate mint lovers and holiday dessert tables alike.
Print Recipe Pin Recipe
Prep Time 20 minutes
Cook Time 35 minutes
Total Time 1 hour 30 minutes
Servings: 24 servings
Course: Dessert
Cuisine: American
Calories: 320
Ingredients Method Notes

Ingredients
  

Brownie Layer:
  • 1 cup butter substitute coconut oil for dairy-free
  • 1 cup cocoa powder unsweetened
  • 2¼ cups sugar
  • ¾ tsp salt
  • 3 large eggs or flax eggs for vegan option
  • 1 tsp vanilla extract
  • 1¼ cups all-purpose flour or almond flour for gluten-free
Mint Frosting Layer:
  • 6 tbsp softened butter
  • 3 cups powdered sugar
  • 1 tsp mint extract peppermint for stronger flavor
  • 2 –3 tbsp milk or cream use almond milk for lighter version
  • Green food coloring optional
Chocolate Layer:
  • 1½ cups semi-sweet chocolate chips
  • 2 tbsp butter or canola oil
  • ½ tsp mint extract optional

Method
 

  1. Preheat oven to 350°F (175°C). Grease and flour a 9x13 pan, or dust with cocoa powder for a seamless chocolate finish.
  2. In a microwave-safe dish, combine butter, cocoa powder, and sugar. Microwave in one-minute intervals, stirring after each, until smooth. Stir in salt and vanilla.
  3. Add eggs one at a time, then gently mix in flour until just combined. Spread evenly in the pan.
  4. Bake 30–35 minutes, or until a toothpick comes out clean. Cool completely before frosting.
  5. For the frosting, beat softened butter, powdered sugar, mint extract, and milk until smooth. Add green food coloring if desired and spread over cooled brownies.
  6. Melt chocolate chips with butter, stir in mint extract if using, and pour over frosting. Spread evenly and let set at room temperature or in the fridge.
  7. Once set, cut into squares and serve. Enjoy your fudgy, minty masterpiece!

Notes

For an Andes mint brownies twist, fold chopped Andes mints into the batter. Chill brownies before slicing for clean layers. Store in airtight container for up to 3 days at room temperature or a week in the fridge.