Ingredients
Equipment
Method
Step-by-Step Instructions
- Preheat your oven to 325°F (163°C) and line a 12-cup muffin tin with cupcake liners.
- Whisk together cake flour, baking powder, baking soda, and salt in a medium mixing bowl.
- In another bowl, combine whole milk, sour cream, and vanilla extract until smooth.
- Cream together unsalted butter and granulated sugar until light and fluffy.
- Add egg whites to the creamed mixture and mix well.
- Gradually add the wet ingredients to the butter mixture, alternating with the dry ingredients.
- Fill each cupcake liner about ¾ full with batter.
- Bake for 20-22 minutes or until a toothpick comes out clean.
- Cool cupcakes in the tin for 5 minutes, then transfer to a wire rack.
- Beat unsalted butter and powdered sugar until crumbly and pale, to make frosting.
- Add milk and vanilla extract, beating until smooth and creamy.
- If needed, adjust frosting consistency with more milk and tint with food coloring if desired.
- Frost the cooled cupcakes generously and enjoy!
Nutrition
Notes
Store cupcakes in an airtight container at room temperature for up to 3 days. For best results, let them cool completely before frosting to prevent melting.
