01 -
Position oven racks in the upper and lower thirds and preheat oven to 175°C. Line eighteen standard muffin cups with liners. Prepare white cake mix according to package directions in a large bowl. Transfer half of batter to a separate bowl and tint with red gel food coloring to desired shade. Alternate spoonfuls of plain and red batter in liners to approximately half full.
02 -
Bake cupcakes for 18 to 20 minutes, rotating tins halfway through baking for even cooking. Verify doneness with a toothpick; it should come out clean. Allow cupcakes to cool completely.
03 -
In a large mixing bowl, beat softened butter and salt on medium speed until creamy, about 2 minutes. Gradually add confectioners' sugar in two additions, beating well after each. Incorporate heavy cream, vanilla extract, and peppermint extract. Continue beating at medium-high speed until frosting is light, fluffy, and smooth, approximately 2 minutes.
04 -
Fit a piping bag with a 12.7 mm round tip. Using a small brush or skewer, paint two lines of red gel food coloring inside the piping bag to create candy cane striping effect.
05 -
Fill prepared piping bag with frosting. Pipe swirls over each cooled cupcake. Garnish each with a mini candy cane and sprinkle with red and white coarse peppermint sugar.