Name: Fluffy Vanilla Cake with Homemade Buttercream Frosting Recipe
Prep time: 25 min
Cook time: 27 min
Total time: 1 h 10 min
Cuisine: American
Ingredients: 260 g plain flour (all-purpose flour) (2 cups / ~9¼oz); 35 g cornflour (US cornstarch) (¼ cup / ~1¼oz); 2 teaspoons baking powder; ½ teaspoon salt; 2 large eggs; 2 egg whites (from large eggs); ½ cup neutral flavoured vegetable oil (125ml); 300 g granulated sugar (1 ½ cups / 10½oz); 113 g unsalted butter, softened (½ cup / 1 stick / 4oz); ½ cup milk (125ml); 3 teaspoons pure vanilla extract; 200 g white granulated sugar (1 cup / 7oz); 1 cup whole milk (250ml); 32 g plain flour (all-purpose flour) (¼ cup / 1¼oz); 2 teaspoons pure vanilla extract; 226 g unsalted butter, softened (1 cup / 2 sticks); Pinch of salt

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If you’ve ever dreamed of baking a cake that’s impossibly soft, moist, and bursting with classic vanilla flavor, you’re in for a treat with this Fluffy Vanilla Cake with Homemade Buttercream Frosting Recipe. It’s exactly the kind of dessert that feels like a warm hug on a plate, perfect for celebrations or whenever you want to indulge your sweet tooth with something truly special. The texture is light as air, and the homemade buttercream frosting adds just the right creamy sweetness to make each bite unforgettable. I can’t wait to share this recipe with you because it’s one of those timeless classics that everyone deserves to enjoy!

Ingredients You’ll Need

The image shows seven separate ingredients on a white marbled surface arranged neatly for baking. There's a large white bowl filled with granulated sugar on the bottom left, a dark blue bowl filled with flour on the top left, and a stick of butter wrapped in paper on the top right. In the center, a clear small bowl holds two raw eggs with bright orange yolks. A small clear bowl containing white powder, likely baking powder or baking soda, sits below the eggs. On the bottom right is a glass measuring cup filled with milk, and above it, a small clear bowl contains a dark brown liquid, likely vanilla extract. All items are evenly spaced in a flat lay style photo taken with an iphone --ar 4:5 --v 7

This Fluffy Vanilla Cake with Homemade Buttercream Frosting Recipe uses a handful of simple ingredients, but each one plays a crucial role in creating the perfect balance of flavor, texture, and color that makes this cake shine. From the flour that gives structure to the vibrant vanilla that lifts the batter, every component matters!

260 g plain flour (all-purpose flour): Provides the essential base and structure of the cake with a tender crumb.
35 g cornflour (cornstarch): Helps soften the flour, contributing to the delicate fluffiness of the crumb.
2 teaspoons baking powder: Acts as the leavening agent that helps the cake rise beautifully.
½ teaspoon salt: Balances sweetness and enhances the overall flavor.
2 large eggs: Add richness and moisture while helping with the cake’s structure.
2 egg whites: Whipped to lend extra airiness and lightness to the batter.
½ cup neutral vegetable oil: Keeps the cake moist without affecting the vanilla taste.
300 g granulated sugar: Sweetens the cake and works with butter to create a soft texture.
113 g unsalted butter, softened: Adds richness and tender crumb.
½ cup milk: Introduces moisture for softness and helps dissolve the sugar.
3 teaspoons pure vanilla extract: Delivers the iconic vanilla aroma and flavor.
200 g white granulated sugar: For the buttercream frosting’s creamy sweetness.
1 cup whole milk: Used in the buttercream paste to give it a luscious smoothness.
32 g plain flour: Thickens the buttercream, making it perfect for piping and spreading.
2 teaspoons pure vanilla extract (for frosting): Enhances the frosting’s flavor with fresh vanilla notes.
226 g unsalted butter, softened (for frosting): The silky base of the buttercream that makes it heavenly.
Pinch of salt: Balances sweetness and enriches flavor in the frosting.

How to Make Fluffy Vanilla Cake with Homemade Buttercream Frosting Recipe

Step 1: Prepare Your Pans and Preheat the Oven

Start by preheating the oven to 180°C (350°F) or 160°C for fan-forced ovens. Proper preparation is key, so grease two 8-inch cake pans, line their bottoms with baking paper, then lightly dust the sides with flour and tap out the excess. This ensures your cakes come out perfectly without sticking.

Step 2: Mix Dry Ingredients

In a medium bowl, whisk together the plain flour, cornflour, baking powder, and salt. This aerates the mixture and makes sure everything is evenly combined so your cake will rise and bake evenly.

Step 3: Cream Butter, Sugar, and Oil

Using an electric mixer, beat softened butter, sugar, and roughly half of the oil until the mixture turns pale and creamy. Don’t rush this step—scrape the bowl a few times while beating to achieve that perfectly smooth texture that gives the cake its tender crumb.

Step 4: Add Eggs and Beat Egg Whites

Add the two whole eggs and beat on a low to medium speed until just combined, then scrape the bowl. Next, add the two egg whites and beat on medium-high speed for a full minute until the mixture looks shiny and whipped, almost like light whipped cream. This step injects air for that fluffy texture.

Step 5: Combine Flour, Oil, Milk, and Vanilla Gradually

Switch to a spatula and gently fold in one-third of the flour mixture. Add the remaining oil and vanilla extract, mixing gently. Then gently fold in the remaining flour mixture and milk alternately, in stages, making sure each addition is just combined before the next. This careful folding prevents deflating the batter, preserving the fluffiness.

Step 6: Bake the Cake

Divide the batter evenly between the two prepared cake pans. Bake for 25 to 27 minutes or until a toothpick inserted in the center comes out with just a few moist crumbs. Once baked, let the cakes cool in the pans for 5 minutes before turning them onto wire racks to cool completely.

Step 7: Make the Homemade Buttercream Frosting

In a small saucepan, whisk together whole milk, flour, half the sugar, and vanilla until smooth. Heat gently over low heat for 5 to 6 minutes until the mixture thickens to a pudding-like consistency and the flour taste disappears. Cover with plastic wrap pressed directly on the surface to prevent a skin and let it cool fully to room temperature.

Step 8: Beat Butter and Sugar then Combine

Once cool, beat softened butter with the remaining sugar until pale and fluffy—this can take 5 to 6 minutes, so be patient and scrape the sides regularly. Add the cooled milk-flour paste one tablespoon at a time, mixing after each addition. Beat at high speed for 5 to 7 minutes until light, whipped, and creamy. Add a pinch of salt and briefly beat through.

Step 9: Assemble the Cake

Spread or pipe your buttercream generously on one cake layer, smoothing it out. Place the second layer on top and frost the entire cake as desired. For a fun and elegant finish, you can divide the frosting, tint it with coloring, and pipe swirls, stars, or flowers. Now your cake is ready to dazzle!

How to Serve Fluffy Vanilla Cake with Homemade Buttercream Frosting Recipe

The image shows a round cake sliced into six pieces on a white plate, placed on a white marbled surface. The cake has two layers of soft yellow sponge with a thin cream layer in the middle, and the top layer is decorated with piped frosting in three colors: pale yellow, light pink, and white. The frosting is piped in various swirls and star shapes, covering the whole top surface with a textured, colorful pattern. The edges of the cake are golden brown, and the frosting adds a soft and creamy look. Photo taken with an iphone --ar 4:5 --v 7

Garnishes

Fresh berries such as raspberries or strawberries make a bright, slightly tart contrast to the sweet vanilla and buttercream. A sprinkle of edible flowers or delicate chocolate shavings can add elegance, making the cake even more inviting.

Side Dishes

Serve slices alongside a scoop of vanilla bean ice cream or a bowl of fresh fruit salad. A cup of perfectly brewed tea or coffee complements the cake’s sweetness wonderfully for an afternoon treat or after-dinner dessert.

Creative Ways to Present

Use colorful sprinkles or edible glitter for a festive touch. For birthdays or celebrations, personalized cake toppers or piped messages on the frosting make this Fluffy Vanilla Cake with Homemade Buttercream Frosting Recipe a memorable centerpiece.

Make Ahead and Storage

Storing Leftovers

Store any leftover cake tightly covered in the refrigerator to keep the buttercream fresh. This cake stays moist and delicious for up to 4 days when stored properly.

Freezing

You can freeze the unfrosted cake layers wrapped tightly in plastic wrap and foil for up to 3 months. Defrost overnight in the fridge before frosting and serving, ensuring the best texture and flavor.

Reheating

Since this is a cold dessert, reheating isn’t necessary and will affect texture. However, letting refrigerated cake come to room temperature before serving makes it taste fresh and soft again.

FAQs

Can I use butter instead of vegetable oil in the cake?

Butter can be used but keep in mind it may change the texture slightly, making the cake a bit denser. Vegetable oil helps keep the cake light and moist, which is key in this recipe.

What type of vanilla extract is best for this recipe?

Pure vanilla extract is best for the richest and most authentic vanilla flavor. Avoid imitation vanilla, as it lacks depth and can taste artificial.

Can I make this recipe gluten-free?

To make this recipe gluten-free, substitute the plain flour with a gluten-free blend that includes xanthan gum for structure. Keep in mind slight differences in texture may occur.

How do I avoid the buttercream looking separated?

If the buttercream looks curdled or separated, keep beating—it will usually come together into a smooth, creamy texture with enough mixing.

Can I color the buttercream?

Absolutely! Divide the buttercream into portions and add gel or paste food coloring to create your preferred shades. Avoid liquid colorings, as they can thin the frosting.

Final Thoughts

I truly believe this Fluffy Vanilla Cake with Homemade Buttercream Frosting Recipe will become a cherished favorite in your baking repertoire. It’s approachable yet impressive, with a light texture and luxurious flavor that make any occasion feel extra special. Happy baking, and enjoy every delicious slice of this timeless classic!