Easy Lemon Cupcakes

April 26, 2022 By: Comments
15 Minutes
20 Minutes
These cheerful treats are like little cups of sunshine! Level up white cake mix by adding egg whites and sour cream — we just can’t get enough of the ultra-tender texture that these ingredients lend! Scratch-made lemon buttercream frosting is the perfect finishing touch. Try these for a birthday celebration, baby shower or school bake sale!


Select ingredients:


  1. Preheat the oven to 350°F. Line a muffin pan with cupcake liners.
  2. Mix together the cake mix, egg whites, sour cream, lemon juice, vegetable oil, vanilla and lemon zest in a large mixer bowl on medium speed until combined.
  3. Fill the cupcake liners 2/3 full and bake for 15-20 minutes or until a toothpick inserted in the center comes out clean. Allow the cupcakes to cool before frosting.
  4. Beat the butter in a larger mixer bowl on medium speed for 3-4 minutes.
  5. Add the powdered sugar and beat on medium-low speed until incorporated. Add the vanilla, lemon zest and enough of the lemon juice until the desired consistency is achieved.
  6. Beat the buttercream on medium-high speed for 4-5 minutes. Frost the cooled cupcakes.