01 -
Set oven to 350°F. Line a cupcake pan with paper liners to ensure easy removal and even baking.
02 -
Whisk together flour, baking powder, baking soda, and salt until fully blended. Set aside.
03 -
Using medium speed, beat softened butter and granulated sugar until light and fluffy, about 3 to 4 minutes.
04 -
Incorporate eggs one at a time into the creamed mixture, followed by vanilla extract, mixing until homogeneous.
05 -
Add dry ingredients and buttermilk alternately in three additions, beginning and ending with dry ingredients. Mix gently to avoid toughening the batter.
06 -
Spoon batter into liners, filling each two-thirds full. Bake for 18 to 20 minutes until a toothpick inserted in the center emerges clean.
07 -
Allow cupcakes to cool completely on a wire rack prior to frosting.
08 -
Beat butter until smooth, gradually add powdered sugar, mixing thoroughly after each addition. Blend in vanilla extract and heavy cream, adjusting cream to achieve a spreadable consistency. Incorporate blue food coloring to desired shade.
09 -
Frost cooled cupcakes generously with blue frosting. Immediately garnish with red, white, and blue sprinkles for festive presentation.