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Lemon Cupcakes with Vanilla Buttercream

Homemade lemon cupcakes with creamy vanilla buttercream frosting on a bright plate.

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These Lemon Cupcakes with Vanilla Buttercream are a perfect balance of bright citrus and creamy sweetness. They are a simple, joyful treat perfect for any occasion, from a regular Tuesday to a spring celebration.

Ingredients

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  • 1 1/2 cups all-purpose flour
  • 1 1/2 teaspoons baking powder
  • 1/4 teaspoon salt
  • 1/2 cup unsalted butter, softened
  • 1 cup granulated sugar
  • 2 large eggs, room temperature
  • 2 teaspoons pure vanilla extract
  • 1 tablespoon lemon zest
  • 2 tablespoons fresh lemon juice
  • 1/2 cup whole milk, room temperature
  • 1 cup unsalted butter, softened
  • 4 cups powdered sugar, sifted
  • 2-3 tablespoons heavy cream or milk
  • 2 teaspoons pure vanilla extract
  • 1 pinch salt

Instructions

  1. Preheat oven to 350°F (175°C). Line a 12-cup muffin tin with paper liners.
  2. In a medium bowl, whisk together flour, baking powder, and salt.
  3. In a large bowl, beat 1/2 cup butter and granulated sugar with an electric mixer on medium-high for 2-3 minutes until pale and fluffy.
  4. Beat in eggs one at a time, then mix in 2 tsp vanilla, lemon zest, and lemon juice.
  5. With mixer on low, add 1/3 of flour mixture, then half the milk. Repeat, ending with final flour. Mix just until combined.
  6. Divide batter evenly among liners, filling each 2/3 full. Bake 18-22 minutes until a toothpick comes out clean.
  7. Cool in pan 5 minutes, then transfer to a wire rack to cool completely.
  8. For frosting, beat 1 cup butter on medium until smooth. Gradually add powdered sugar on low.
  9. Add 2 tbsp cream, 2 tsp vanilla, and a pinch of salt. Beat on medium-high 2-3 minutes until fluffy. Add more cream if needed.
  10. Frost cooled cupcakes with buttercream.

Notes

Ensure all ingredients are at room temperature for best results. Do not overmix batter after adding flour. Cupcakes must be completely cool before frosting. Frosting can be made ahead and frozen.

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