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The Ultimate Vanilla Bean Cake (Moist, Fluffy, Bakery-Style)

A bakery-style vanilla bean cake with a plush, tight crumb, real vanilla seed speckles, and a silky vanilla bean buttercream. Made with vanilla bean paste, dry milk powder, and a butter-oil combination for a cake that stays moist for days.
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Prep Time 30 minutes
Cook Time 30 minutes
Total Time 1 hour
Servings: 12 Servings
Course: Dessert
Cuisine: American
Calories: 620
Ingredients Equipment Method Notes

Ingredients
  

For the Cake Layers
  • 2 3/4 cups all-purpose flour measured by weight or spoon-and-level
  • 2 tbsp dry milk powder Nielsen-Massey or any brand
  • 1 tbsp baking powder
  • 1/2 tsp salt
  • 1 cup unsalted butter room temperature
  • 1 3/4 cups granulated sugar
  • 4 large eggs room temperature
  • 1 tbsp vanilla bean paste Nielsen-Massey recommended
  • 1 cup buttermilk room temperature
  • 1/4 cup vegetable oil
For the Vanilla Bean Buttercream
  • 1 1/2 cups unsalted butter softened
  • 5 cups powdered sugar sifted
  • 3-4 tbsp heavy cream
  • 1 tbsp vanilla bean paste
  • 1 pinch salt

Equipment

  • 1 KitchenAid stand mixer with paddle attachment
  • 2-3 8-inch round cake pans
  • 1 Digital kitchen scale for accurate flour measurement
  • 1 Offset spatula for frosting
  • 1 Cake turntable for clean frosting application
  • 1 Bench scraper for smooth sides
  • Parchment paper rounds for easy layer release

Method
 

  1. Preheat oven to 350 degrees F. Grease pans, line with parchment rounds, grease parchment.
    Two round baking pans sitting on a clean wooden kitchen counter, both greased and lined with white parchment paper rounds, with an oven in the background preheating to 350°F.
  2. Whisk flour, dry milk powder, baking powder, and salt together in a bowl. Set aside.
    A glass mixing bowl sitting on a wooden kitchen counter, filled with a mound of white flour and other dry baking ingredients neatly incorporated for a Vanilla Bean Cake.
  3. Beat room temperature butter in stand mixer for 2 minutes until smooth.
    A glass mixing bowl sitting on a wooden kitchen counter, filled with smooth, pale yellow, creamed butter that has been beaten until light and fluffy.
  4. Add sugar and beat on medium-high for 4 to 5 minutes until pale, fluffy, and aerated.
    A glass mixing bowl on a wooden kitchen counter containing a pale, fluffy, and aerated butter and sugar mixture, showing the perfect base for a Vanilla Bean Cake.
  5. Add eggs one at a time, scraping the bowl between each addition. Mix in vanilla bean paste.
    A glass mixing bowl on a wooden counter containing a thick, smooth, and pale yellow cake batter, perfectly emulsified after adding eggs and vanilla bean paste.
  6. Add flour mixture in three additions, alternating with buttermilk in two additions, beginning and ending with flour. Mix on low until just incorporated.
    A close-up view of a glass mixing bowl where cake batter is being gently mixed with a hand mixer, showing a thick, smooth, and perfectly incorporated Vanilla Bean Cake batter.
  7. Fold in vegetable oil with a spatula.
    A glass mixing bowl on a wooden counter with thick, smooth cake batter being gently folded with a spatula to incorporate oil.
  8. Divide batter evenly between prepared pans. Bake 28 to 32 minutes until a toothpick comes out clean.
    Two round baking pans filled with raw vanilla bean cake batter, sitting on a wooden kitchen counter, ready to be placed in the oven for baking.
  9. Cool in pans 10 minutes, then turn onto a wire rack to cool completely.
    The Crucial Cool-Down: Cooling Your Vanilla Bean Cake
  10. For buttercream: Beat butter 3 to 4 minutes until pale. Add powdered sugar one cup at a time. Add cream by the tablespoon. Mix in vanilla bean paste and salt. Beat on medium-high 2 minutes.
    A glass mixing bowl filled with fluffy, pale-colored vanilla bean buttercream frosting, featuring tiny black specks of real vanilla bean throughout, ready for piping onto a cake.
  11. Level layers if needed. Assemble with buttercream between layers.
    A beautifully assembled two-layer vanilla bean cake sitting on a white cake stand, with a thick, smooth layer of vanilla bean buttercream frosting visible between the golden-brown cake layers.
  12. Apply a thin crumb coat, refrigerate 15 minutes, then apply final frosting layer.
    A beautifully finished, perfectly smooth two-layer vanilla bean cake sitting on a white cake stand, with a small jar of vanilla beans and a knife resting nearby on a wooden counter.

Notes

  • All refrigerated ingredients must be at genuine room temperature, not just slightly less cold.
  • Do not measure flour by scooping. Use the spoon-and-level method or a kitchen scale.
  • Vanilla bean paste replaces extract one-to-one and significantly improves flavor and appearance.
  • The 4 to 5 minute creaming time is not optional — this step determines crumb texture.
  • Store at room temperature under a cake dome for up to 3 days, or refrigerate up to 5 days.