Red, White and Blue Cupcakes

all-purpose flour ((2 1/2 cups))

granulated sugar ((1 1/2 cups))

baking soda

salt

unsweetened cocoa powder

vegetable oil ((1 cup))

buttermilk ((1 1/2 cups))

eggs

red gel food coloring

white vinegar

vanilla extract

pasteurized liquid egg whites ((1/2 cup) )

powdered sugar ((4 cups))

salt

unsalted butter (at room temperature)

vanilla extract

Red and blue gel food coloring ((I like Americolor brand))

Candies for the top of the cupcakes ((optional but cute!))

Russian Ball Pastry Tip ((or other piping tip of your choice!))