01 -
Whisk together flour, granulated sugar, baking soda, cocoa powder, and salt in a large bowl until well combined for even leavening and consistent texture.
02 -
In a separate bowl, whisk buttermilk, vegetable oil, eggs, white vinegar, vanilla extract, and red food coloring until smoothly blended; ensure all ingredients are at room temperature.
03 -
Gradually add wet ingredients into dry ingredients, stirring gently and scraping the bowl sides to avoid overmixing, preserving a tender crumb.
04 -
Portion the batter evenly into lined cupcake tins, filling each two-thirds full. Bake in a preheated 350°F oven for 18 to 22 minutes, or until a toothpick inserted in the center comes out clean. Allow cupcakes to cool completely before frosting.
05 -
Beat softened cream cheese and butter until smooth and without lumps. Slowly incorporate powdered sugar, vanilla, and salt, continuing to beat until the mixture is light and fluffy.
06 -
Once cooled, pipe or spread frosting generously atop each cupcake. Garnish with blue star sprinkles for a festive finish.