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Preppy Kitchen

Moist Vanilla Cupcakes with Vanilla Buttercream

Tender, buttery vanilla cupcakes made from scratch with sour cream and melted butter for an exceptionally moist, fine crumb. Each one is finished with a generous swirl of fluffy vanilla buttercream.

⏱ 35 min16Americanvanillacupcakesdessertbakingbuttercream

Ingredients

For the cupcakes

  • 1 2/3 cupall-purpose flour · 213g
  • 1 cupgranulated sugar · 200g
  • 1/4 teaspoonbaking soda
  • 1 1/2 teaspoonbaking powder
  • 1/4 teaspoonkosher salt
  • 3/4 cupunsalted butter · 170g, melted
  • 3egg whites · room temperature
  • 1 tablespoonvanilla extract · 15mL
  • 1/2 cupsour cream · 120mL, room temperature
  • 1/2 cupwhole milk · 120mL, warm

For the vanilla buttercream

  • 2 poundconfectioners sugar · 900g, sifted
  • 1 poundunsalted butter · 450g, room temperature
  • 1 teaspoonvanilla extract
  • 1 tablespoonheavy cream
  • 1 pinchkosher salt
  • 1 teaspoonwhole milk

Steps

  1. 1

    Preheat the oven to 350°F and line a cupcake pan with cupcake papers.

  2. 2

    Sift the flour, sugar, salt, baking soda, and baking powder into a large bowl and whisk together.

  3. 3

    Separate the eggs, reserving the yolks for another use such as a custard or French buttercream.

  4. 4

    In another bowl, whisk together the wet ingredients until combined. The mixture may look clumpy — that's fine.

  5. 5

    Add the wet ingredients to the dry ingredients and mix until just combined.

  6. 6

    Distribute the batter evenly into the cupcake papers, filling each about two-thirds of the way up.

  7. 7

    Bake for about 18 minutes, or until the centers are springy to the touch.

  8. 8

    In a stand mixer fitted with a paddle attachment, cream the room temperature butter. Add the confectioners sugar in two batches, then add the salt, milk, cream, and vanilla. Mix until fluffy.

  9. 9

    Transfer the buttercream to a piping bag.

  10. 10

    Pipe a large dollop of buttercream onto each cooled cupcake.

Creator's notes

Source mismatch: the video is titled "The BEST Vanilla Cake Recipe" and its description links to preppykitchen.com/1448-2/, but the structured recipe supplied came from the creator's separate cupcake page (preppykitchen.com/moist-vanilla-cupcake-recipe/). All quantities, steps, bake time, and yield here are the cupcake version — the layer-cake recipe from the video was not available.

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