Mini Heart Cake with Vanilla Buttercream

Highlighted under: Easy Baking Collection

I've always adored the charm of mini cakes, especially when they come in heart shapes! This Mini Heart Cake with Vanilla Buttercream is not just a feast for the eyes; it brings together soft, moist layers of cake, each lovingly layered with a rich, creamy frosting. Perfect for intimate celebrations, I love how easy it is to whip up these delightful cakes using simple ingredients. Plus, they are ideal for portion control and allow everyone to indulge in their own special treat without overindulging!

Isabella Clark

Created by

Isabella Clark

Last updated on 2026-01-13T02:35:34.969Z

When I first made this Mini Heart Cake, I was amazed at how well the flavors came together. I tweaked a classic vanilla cake recipe to fit the heart-shaped molds, and the result was a delightful blend of tenderness and sweetness. The secret lies in the buttermilk, which makes the cake incredibly moist and gives it a rich flavor that pairs perfectly with the vanilla buttercream.

While decorating, I discovered that piping the frosting with a star tip creates beautiful texture. It’s a simple trick that elevates the cake’s visual appeal, making it a perfect centerpiece for romantic occasions or celebrations. Trust me, the compliments from friends and family will be plentiful!

Secondary image

Why You'll Love This Mini Heart Cake

  • Charming heart shape that’s perfect for any occasion
  • Decadent vanilla buttercream that complements the cake effortlessly
  • Ideal for sharing with loved ones or enjoying alone

Understanding the Ingredients

The key to a moist and fluffy cake lies in the right balance of ingredients. Here, the combination of buttermilk and eggs plays a crucial role in creating the desired texture. Buttermilk not only adds moisture but also reacts with the baking soda to give the cake a beautiful rise. If you don't have buttermilk on hand, you can easily make a substitute by mixing one cup of milk with one tablespoon of lemon juice or vinegar and letting it sit for about 10 minutes.

Another important ingredient is the unsalted butter. Using unsalted butter allows you to control the salt level in your cake and buttercream. Make sure your butter is appropriately softened; it should be at room temperature, yielding easily when you press it but not melted. This will ensure that you can create a light and fluffy buttercream when combined with the powdered sugar.

Tips for Perfecting Your Buttercream

When making the vanilla buttercream, it’s essential to beat the butter long enough until it’s creamy and light. If using a stand mixer, this process usually takes about 3-5 minutes on medium speed. If you notice that your buttercream is too thick, add a little more heavy cream, a teaspoon at a time, until you reach the desired consistency. Conversely, if it's too thin, additional powdered sugar can help thicken it without altering its buttery flavor.

Flavor variations can elevate your buttercream even further; consider adding a touch of almond extract or citrus zest for an extra layer of taste. You can also tint the buttercream with food coloring to match your occasion or the recipient’s favorite colors. I often find that a few drops go a long way, so start with a small amount and add more as needed.

Storing and Serving Suggestions

If you’re not planning to serve the Mini Heart Cake immediately, it stores beautifully. Once assembled and frosted, the cake can be covered with plastic wrap and kept in the refrigerator for up to 3 days. For longer storage, consider freezing: slice the cake into individual portions, wrap them tightly in plastic wrap, and place them in an airtight container before freezing. This way, you can enjoy a sweet treat anytime without the need to bake from scratch again.

Serving ideas are wonderfully flexible with this cake. For an extra touch, consider dusting the top with powdered sugar or adding edible decorations, such as sprinkles or fresh berries, to enhance its visual appeal. The heart shape makes it perfect for anniversaries, Valentine’s Day, or birthdays, and feel free to pair it with a scoop of ice cream for a delightful dessert experience!

Ingredients

Gather these simple ingredients for your Mini Heart Cake and get ready to bake!

For the Cake:

  • 1 1/2 cups all-purpose flour
  • 1 cup granulated sugar
  • 1/2 cup unsalted butter, softened
  • 3/4 cup buttermilk
  • 2 large eggs
  • 1 teaspoon vanilla extract
  • 1 1/2 teaspoons baking powder
  • 1/2 teaspoon baking soda
  • 1/4 teaspoon salt

For the Vanilla Buttercream:

  • 1 cup unsalted butter, softened
  • 4 cups powdered sugar
  • 2 tablespoons heavy cream
  • 2 teaspoons vanilla extract
  • Pinch of salt

Make sure to measure everything accurately for the best results!

Instructions

Follow these straightforward steps to create your Mini Heart Cake.

Prepare the Cake Batter

In a mixing bowl, cream together the softened butter and sugar until light and fluffy. Beat in the eggs, one at a time, followed by the vanilla and buttermilk. In another bowl, whisk together the flour, baking powder, baking soda, and salt. Gradually add the dry ingredients to the wet mixture, mixing until just combined.

Bake the Cake

Preheat your oven to 350°F (175°C) and grease your heart-shaped cake pans. Divide the batter evenly between the pans and smooth the tops. Bake for 20-25 minutes or until a toothpick inserted in the center comes out clean. Let the cakes cool in the pans for 10 minutes before transferring them to a wire rack.

Make the Buttercream

While the cakes are cooling, prepare the buttercream. In a large bowl, beat the softened butter until creamy. Gradually add the powdered sugar, mixing well. Add the heavy cream, vanilla extract, and a pinch of salt, then beat until the mixture is fluffy and smooth.

Assemble the Cake

Once the cakes are completely cool, place one layer on a serving plate. Spread a generous amount of buttercream on top, then add the second layer. Use the remaining buttercream to frost the top and sides of the cake. Pipe additional decorations if desired.

Serve and Enjoy!

Slice the Mini Heart Cake into servings and enjoy with your loved ones. Perfect for special occasions or just because you deserve a treat!

Take your time with decorating for a beautiful finish!

Pro Tips

  • For an extra touch, adorn the cake with fresh berries or edible flowers.

Troubleshooting Common Issues

One common issue with baked goods is dry cake, which can occur if too much flour is used or if it’s overbaked. Be cautious when measuring flour—use a spoon to fluff it up, then spoon it into your measuring cup. Avoid compacting the flour, which can lead to using more than needed. Additionally, check for doneness a couple of minutes early to prevent overbaking; your cake should spring back when gently pressed and pull slightly away from the edges of the pan.

Another potential pitfall is frosting that doesn’t hold its shape. If your buttercream is too soft, ensure your butter was not overly softened at the beginning. Chilling the frosting for 10-15 minutes can help it firm up before applying it to the cake, especially if you're piping decorations. A common fix for too-thin buttercream is to add more powdered sugar gradually, which will provide stability and structure.

Scaling the Recipe

Should you wish to scale up your Mini Heart Cake for a larger celebration, it’s straightforward. For a bigger cake, simply double the recipe and use larger heart-shaped pans or bake in multiple layers as needed. Adjust your baking time, extending it gradually—start with an additional 5-10 minutes, but check for doneness similarly with a toothpick.

Conversely, if you’d like to make a smaller batch, you can halve the ingredients. This is a fantastic way to satisfy a sweet craving without creating too much leftover cake. Just be sure to adjust baking times slightly down, as smaller cakes typically bake faster. Watching the baking process closely will yield great results.

Questions About Recipes

→ Can I use a different flavor for the buttercream?

Absolutely! You can experiment with different extracts or even add cocoa powder for chocolate buttercream.

→ How should I store the cake?

Store the cake in an airtight container at room temperature for up to 3 days, or refrigerate for longer freshness.

→ Can I make this cake in advance?

Yes, you can bake the cake layers ahead of time and freeze them. Just be sure to wrap them well in plastic wrap.

→ Is it possible to make this cake gluten-free?

Yes, simply swap the all-purpose flour for a gluten-free flour blend suitable for baking.

Mini Heart Cake with Vanilla Buttercream

I've always adored the charm of mini cakes, especially when they come in heart shapes! This Mini Heart Cake with Vanilla Buttercream is not just a feast for the eyes; it brings together soft, moist layers of cake, each lovingly layered with a rich, creamy frosting. Perfect for intimate celebrations, I love how easy it is to whip up these delightful cakes using simple ingredients. Plus, they are ideal for portion control and allow everyone to indulge in their own special treat without overindulging!

Prep Time30 minutes
Cooking Duration25 minutes
Overall Time55 minutes

Created by: Isabella Clark

Recipe Type: Easy Baking Collection

Skill Level: Intermediate

Final Quantity: 6 servings

What You'll Need

For the Cake:

  1. 1 1/2 cups all-purpose flour
  2. 1 cup granulated sugar
  3. 1/2 cup unsalted butter, softened
  4. 3/4 cup buttermilk
  5. 2 large eggs
  6. 1 teaspoon vanilla extract
  7. 1 1/2 teaspoons baking powder
  8. 1/2 teaspoon baking soda
  9. 1/4 teaspoon salt

For the Vanilla Buttercream:

  1. 1 cup unsalted butter, softened
  2. 4 cups powdered sugar
  3. 2 tablespoons heavy cream
  4. 2 teaspoons vanilla extract
  5. Pinch of salt

How-To Steps

Step 01

In a mixing bowl, cream together the softened butter and sugar until light and fluffy. Beat in the eggs, one at a time, followed by the vanilla and buttermilk. In another bowl, whisk together the flour, baking powder, baking soda, and salt. Gradually add the dry ingredients to the wet mixture, mixing until just combined.

Step 02

Preheat your oven to 350°F (175°C) and grease your heart-shaped cake pans. Divide the batter evenly between the pans and smooth the tops. Bake for 20-25 minutes or until a toothpick inserted in the center comes out clean. Let the cakes cool in the pans for 10 minutes before transferring them to a wire rack.

Step 03

While the cakes are cooling, prepare the buttercream. In a large bowl, beat the softened butter until creamy. Gradually add the powdered sugar, mixing well. Add the heavy cream, vanilla extract, and a pinch of salt, then beat until the mixture is fluffy and smooth.

Step 04

Once the cakes are completely cool, place one layer on a serving plate. Spread a generous amount of buttercream on top, then add the second layer. Use the remaining buttercream to frost the top and sides of the cake. Pipe additional decorations if desired.

Step 05

Slice the Mini Heart Cake into servings and enjoy with your loved ones. Perfect for special occasions or just because you deserve a treat!

Extra Tips

  1. For an extra touch, adorn the cake with fresh berries or edible flowers.

Nutritional Breakdown (Per Serving)

  • Calories: 380 kcal
  • Total Fat: 26g
  • Saturated Fat: 15g
  • Cholesterol: 195mg
  • Sodium: 85mg
  • Total Carbohydrates: 32g
  • Dietary Fiber: 3g
  • Sugars: 24g
  • Protein: 6g