Chocolate Fudge Cookies with Candy Cane Buttercream

Rich, fudgy chocolate cookies stuffed with candy cane buttercream. A festive favorite!

1 cup + 1 Tablespoon (133g) all-purpose flour (spooned & leveled)
1/4 cup (21g) unsweetened cocoa powder
1 teaspoon baking powder
1/4 teaspoon salt
8 ounces semi-sweet chocolate, chopped (I use 1 package Baker’s Semi Sweet chocolate)
2 large eggs
1 teaspoon pure vanilla extract
5 Tablespoons (71g) unsalted butter, softened to room temperature
3/4 cup (150g) packed light brown sugar
1/4 cup (50g) granulated sugar
1 cup (180g) mini chocolate chips

3/4 cup (12 Tbsp; 170g) unsalted butter, softened to room temperature
2 and 1/2 – 3 cups (300-360g) confectioners’ sugar, sifted
2 teaspoons pure vanilla extract
1–2 Tablespoons (15-30ml) heavy cream or milk
1/2 cup candy cane dust, sifted (about 8–10 candy canes pulverized in a food processor)
optional: crushed candy canes for rolling