01 -
Preheat your oven to 350°F. Line an 8x8 baking pan with parchment paper, leaving some overhang for easy removal.
02 -
Melt the butter in a microwave-safe bowl. Add sugar and whisk until well combined. Stir in eggs one at a time, then add vanilla. Gently fold in cocoa powder, flour, and salt until just combined.
03 -
Pour the batter into your prepared pan and spread evenly. Bake for 20-25 minutes until a toothpick comes out with a few moist crumbs. Let cool completely in the pan.
04 -
In a medium bowl, beat the softened butter until creamy. Gradually add powdered sugar, then mix in milk and peppermint extract until smooth. Add red food coloring if desired and stir until you get a light pink color.
05 -
Dollop the peppermint frosting over the cooled brownies and swirl with a knife for a marbled effect. Sprinkle with crushed candy canes, slice into squares, and enjoy!