These fluffy and moist homemade funfetti cupcakes are the perfect birthday cupcake! Confetti cupcakes are full of sprinkles and can be topped with any frosting. Learn how to make birthday funfetti cupcakes from scratch with our tips.
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Prep Time 10minutes
Cook Time 15minutes
Additional Time 1hour
Total Time 1hour25minutes
1stickunsalted butter, room temperature1/2 cup
¼cupmilkskim, 1%, 2% or whole
1 ¼cupall purpose flour
3sticksunsalted butter, softened1 1/2 cups
more sprinklesto top the cupcakes
Preheat the oven to 350º F. Line a muffin pan with muffin liners.
In a mixing bowl combine the butter and sugar, beat using an electric mixer, 1-2 minutes until fluffy.
Add in the egg whites, sour cream, milk, and vanilla extract. Beat lightly with the electric mixer.
In a separate mixing bowl combine the flour, baking powder, salt and sprinkles.
Gradually add the flour mixture to the wet ingredients a few spoonfuls at a time. Mix until just incorporated.
Fill the muffin liners 1/2-3/4 full. Bake for 17-19 minutes at 350º F or until a few moist crumbs remain on a toothpick when inserted into the center.
Allow the cupcakes to cool completely before adding the frosting.
In a mixing bowl beat the butter with an electric mixer until smooth, about 2 minutes.
Add in the vanilla extract and 2 cups of powdered sugar, mix by hand with a spatula.
Add in more powdered sugar as you see fit, then mix one last time with the electric mixer.
Add the frosting to the cooled cupcakes by spreading the frosting on with a knife, piping it on or using a large cookie dough scoop.