500g Butter Cake Recipe: Ultra-Moist Layers With Vanilla Buttercream Bliss

A 500g butter cake delivers layers of ultra-moist perfection with every slice—no dry crumbs in sight. This recipe transforms rich butter into tender, velvety cake that pairs flawlessly with velvety vanilla buttercream.

The secret lies in precise mixing techniques and a gentle baking approach that preserves moisture while creating a golden, crackly top.

What sets this butter cake apart is its foolproof method for achieving that signature moist texture without compromising structure. We'll use a one-bowl technique with room-temperature butter and eggs, ensuring even distribution for a tender crumb.

The vanilla buttercream isn't just sweet—it's a game-changer that ties every bite together with its smooth, creamy consistency.

By the time you're done, you'll have a cake that's restaurant-quality at home—rich, buttery layers that stay moist for days, topped with a flawless swirl of vanilla frosting.

The aroma alone will have everyone gathering in the kitchen, and the first bite will confirm why this recipe becomes a family favorite.

Perfect for celebrations or indulgent weeknight treats, this cake scales beautifully for any occasion. Let's get started on creating your perfect butter cake—where every layer lives up to the promise of that first rich, buttery bite.

Ingredients for 500g butter cake

Rich butter, tender layers, and velvety frosting make this cake a showstopper every time.

The butter is non-negotiable here—European-style with at least 82% fat content gives you that signature richness. Plugrá or President brands are my go-to, but any high-fat butter works. Room temperature is key: press a thumbprint into the butter—it should spring back slowly, not stay indented. The eggs? Room temperature makes all the difference in creating a tender crumb. Separate them carefully—no yolk bits in your whites! For the flour, King Arthur or Gold Medal are reliable choices, but any all-purpose will do if it's fresh. The vanilla matters too: Madagascar bourbon extract has that deep, complex flavor that makes this cake special.

No vanilla bean paste? Double the extract and add a pinch of ground vanilla bean seeds if you've got them. Running short on powdered sugar? Granulated sugar processed in a food mill works in a pinch, but it's grainier. The buttercream can handle substitutions too—vegan butter and coconut cream work for a lighter version, though it won't be quite as rich. For the milk, any whole milk works, but avoid ultra-pasteurized if you can—it whips better. And if you're baking in a dry climate, add 1 tbsp milk to the dry ingredients to compensate for humidity differences. The cake batter should be thick but pourable—like heavy pudding.

This cake keeps beautifully—3 days at room temperature wrapped in plastic, or 1 week refrigerated in layers separated by parchment. For longer storage, freeze the unfrosted layers for 3 months. To serve, let it sit at room temperature for 30 minutes before slicing—this prevents crumbs. The buttercream? Make it 24 hours ahead for maximum flavor development. I like to portion mine into piping bags with star tips for that restaurant-quality swirl. And if you're making this for a crowd, double the buttercream recipe—trust me, you'll need it.

Step-by-step instructions for ultra-moist vanilla buttercream cake

Here's the foolproof method for layers so tender they melt in your mouth.

In a stand mixer fitted with the paddle attachment, beat the 22 oz unsalted butter and 2 cups granulated sugar on medium speed for 5-7 minutes. You're looking for a pale, fluffy mixture that nearly doubles in volume—the butter should look light and airy, with ribbons forming when you lift the paddle. This step incorporates air, which creates that signature tender crumb.

I like to scrape down the sides of the bowl every 30 seconds to ensure even mixing. If you're using room-temperature butter, it should be soft enough to leave a slight indent when pressed. If it's too cold, let it sit at room temperature for another 10 minutes before starting—cold butter won't cream properly and can lead to dense cake layers.

Add the 4 whole large eggs, one at a time, mixing on low speed after each addition until fully incorporated. Then stir in the 2 tsp pure vanilla extract and 1 tbsp vanilla bean paste—this combination gives you that deep, complex vanilla flavor without overpowering the cake. Mix just until combined to avoid developing gluten in the flour.

Here's a pro tip: I always separate the eggs first and add the yolks first, then the whites. This helps prevent curdling, which can happen if you add too much liquid at once. The batter should be smooth and slightly thick, like pudding. If it looks too thin, don't worry—the flour will thicken it up in the next step.

In a separate bowl, whisk together the 2.5 cups all-purpose flour, 1 tsp baking powder, and 0.5 tsp salt. Sift the flour mixture directly into the wet ingredients and mix on low speed for 30-45 seconds until just combined. You should still see a few streaks of flour—overmixing develops gluten, which makes the cake tough instead of tender.

Next, add the 0.5 cup whole milk and mix on low speed for another 20 seconds until smooth. The batter should be thick but pourable. If it's too thick to pour, don't add more liquid—this is normal for a rich butter cake. The key to moisture is in the creaming step, not the batter consistency.

Preheat your oven to 350°F and grease three 8-inch round cake pans with butter or use parchment paper liners. Divide the batter evenly among the pans and smooth the tops with a spatula. Bake for 25-30 minutes, or until a toothpick inserted into the center comes out clean. Rotate the pans halfway through baking for even browning.

You'll know they're done when the tops are golden and spring back when touched lightly. Let the cakes cool in the pans for 10 minutes, then transfer to a wire rack to cool completely. This gradual cooling prevents the layers from cracking. If the tops look domed, don't worry—they'll flatten as they cool.

In a stand mixer fitted with the whisk attachment, beat the 1 cup unsalted butter and 4 cups powdered sugar on medium speed for 3-5 minutes until light and fluffy. Add the 1 cup heavy whipping cream and 1 tbsp vanilla extract, then mix on high speed for 2-3 minutes until smooth and glossy. For extra flavor, you can add a pinch of salt or a bit more vanilla bean paste.

Here's the secret to silky buttercream: make sure all ingredients are at room temperature. Cold buttercream can seize up, while room-temperature ingredients whip to a lighter, airier consistency. If your buttercream is too thick, add 1-2 tablespoons of milk to loosen it. If it's too thin, chill it for 10 minutes and whip again.

Place the first cake layer on a plate and spread a generous layer of buttercream. Top with the second layer, then repeat. Frost the top and sides of the cake with the remaining buttercream, using smooth, even strokes. Chill the cake in the refrigerator for 1 hour before serving to let the flavors meld and the layers set.

This chilling step is non-negotiable—it helps the buttercream firm up slightly, making it easier to slice and serve. The cake will keep well in the fridge for up to 3 days, though I promise you won't have any leftovers. For extra moisture, you can brush the layers with simple syrup before assembling, but the buttercream is rich enough to keep everything tender on its own.

Perfect pairings for 500g butter cake

Classic Tea Pairings

Earl Grey tea with its bergamot notes creates a perfect balance with this rich butter cake. The citrusy aroma cuts through the butter's richness, while the tannins help cleanse your palate between bites.

I recommend Twinings Earl Grey for its bright, floral profile—steep one bag per 8 oz of hot water for 3-4 minutes to avoid bitterness. 🍵

For a cozier experience, try a chamomile tea like Yogi Tea Chamomile. The floral, slightly sweet notes complement the vanilla in the cake without overpowering it. Brew with 200°F water for 5 minutes to bring out the natural sweetness without astringency.

Coffee Complements

A smooth cold brew coffee with 2% milk enhances the cake's buttery richness. The natural sweetness of cold brew pairs beautifully with the vanilla buttercream, creating a harmonious balance.

I like to add 1 tsp vanilla syrup to my cold brew for an extra flavor boost that mirrors the cake's frosting.

For a stronger contrast, try an espresso martini with a twist. Mix 1.5 oz vodka, 1 oz coffee liqueur, 1 oz cold brew concentrate, and a splash of heavy cream.

Shake with ice and strain into a chilled glass. The bitterness of the espresso cuts through the sweetness, making each bite of cake more vibrant.

Seasonal Beverage Ideas

In summer, a sparkling peach iced tea made with Lipton Peach Green Tea and LaCroix Peach Sparkling Water adds a refreshing contrast. Mix equal parts brewed tea and sparkling water, then serve over ice. The effervescence cleanses the palate between each decadent bite of cake.

For autumn, warm spiced apple cider with a cinnamon stick becomes the ultimate pairing. Simmer 4 cups apple juice, 2 tbsp brown sugar, 1 cinnamon stick, and 2 star anise pods for 15 minutes.

The warm spices echo the cake's vanilla notes while adding a comforting depth to each slice.

Alcohol Elevations

A vanilla-infused bourbon poured over ice makes a sophisticated pairing. Steep 1 vanilla bean in 8 oz bourbon for 24 hours, then serve neat or on the rocks. The caramel and oak notes in the bourbon harmonize perfectly with the cake's buttery layers.

For a lighter option, try a prosecco spritz with 1 oz prosecco, 1 oz elderflower liqueur, and a splash of soda water. The bubbles and floral notes create a refreshing contrast that makes the cake taste even more indulgent.

Frequently asked questions