Ultra Soft and Moist Vanilla Bean Butter Cake

This isn’t just any vanilla cake—it’s my vanilla bean butter cake.

There’s something special about creating a recipe completely from scratch, knowing it didn’t come from a cookbook or a website, but from your own imagination and hands. This cake is exactly that for me. I dreamt it up, tested it, adjusted it, and finally landed on a version that feels like pure joy in every slice. It’s tender, buttery, and deeply flavored with real vanilla bean paste—simple, elegant, and unforgettable.

I think that’s why I love this recipe so much. It’s not just a cake; it’s personal. Every bite feels like a little piece of my kitchen and my creativity being shared with you. And now, it’s yours too. Bake it for birthdays, celebrations, or just because—it’s the kind of cake that makes an ordinary day feel like something worth celebrating.

This vanilla bean butter cake is pure comfort and elegance in one. The delicate crumb, rich buttercream, and specks of vanilla bean make it feel extra special without being fussy. It’s the kind of cake you’ll find yourself making not just once, but again and again—for the people you love, and maybe just for yourself.

Vanilla Bean Cake (2 Layers)

• 2 cups all-purpose flour (250 g)
• 2 cups granulated sugar (400 g)
• 1 2/3 tsp baking powder (7 g)
• 1 tsp fine salt
• 2/3 cup unsalted butter, room temp (150 g)
• 2/3 cup egg whites (about 5 whites / 160 g)
• 1 cup Greek yogurt or sour cream (240 g)
• 4 tsp vegetable oil (20 g) (I used avocado oil)
• 2 tsp vanilla bean paste (8 g)

Vanilla Bean Buttercream

• 1 1/3 cups unsalted butter (300 g)
• 1 1/2 tbsp vanilla bean paste (16 g)
• 1/3 tsp fine salt (2 g)
• 3–4 cups powdered sugar
• 2–3 tbsp heavy cream (40 g)

Method

Vanilla Bean Cake Layers

1. Preheat the oven to 350°F / 175°C. Prep two 8” round pans with parchment paper and nonstick spray.
2. In a large bowl, whisk together the flour, sugar, baking powder, and salt.
3. Add the room-temperature butter and mix until the texture resembles soft sand.
4. Mix in the egg whites, followed by the Greek yogurt (or sour cream), oil, and vanilla bean paste.
5. Beat briefly on medium speed until smooth, then divide the batter evenly into the prepared pans.
6. Bake for 33–35 minutes, rotating the pans halfway through, until a toothpick comes out clean. Let cool completely before removing from pans.

Vanilla Bean Buttercream

1. Beat the butter until smooth and creamy.
2. Add the vanilla bean paste and salt.
3. Slowly mix in the powdered sugar, alternating with the heavy cream, until the frosting is smooth and spreadable. Adjust with more sugar or cream to reach your desired consistency.

Assemble & Decorate

1. Place the first cake layer on a cake board or serving plate. Spread a generous layer of buttercream on top.
2. Add the second cake layer and apply a thin crumb coat of frosting. Chill briefly to set.
3. Frost with the remaining buttercream, smoothing or swirling to your taste.