Mini Heart Cake with Strawberry Buttercream

Highlighted under: Baking & Desserts

I love baking this Mini Heart Cake with Strawberry Buttercream for special occasions. The dainty size makes it perfect for sharing, while the sweet, fruity frosting always gets rave reviews. Creating this cake is not just about the taste—it's also about the presentation. With its lovely heart shape and vibrant color, it's sure to brighten anyone's day. Plus, whipping up the strawberry buttercream is a delightful way to bring summer flavors to life, even in the middle of winter. I'm happy to share this recipe so you can enjoy it too!

Isla Turner

Created by

Isla Turner

Last updated on 2026-01-12T00:10:10.369Z

Making this Mini Heart Cake was such a treat for me! I wanted to create something cute and delicious for a recent gathering with friends. The heart shape adds a personal touch that makes it feel extra special. I discovered that using fresh strawberries in the buttercream really enhances the flavor, giving it a refreshing and natural sweetness. It’s amazing how simple ingredients can elevate a dessert.

One of my favorite tips is to chill your butter before making the frosting. It helps create that fluffy texture that is so satisfying when you spread it on the cake. Everyone raved about the cake’s lightness and the burst of strawberry flavor, which perfectly complements the moist cake. I can't wait to make it again!

Why You'll Love This Recipe

  • Delicate heart shape makes it a great gift for loved ones
  • Lush strawberry buttercream brings a burst of fruity flavor
  • Perfectly moist cake base enhances every bite

Key Techniques for Baking a Perfect Mini Cake

Baking a mini cake may seem straightforward, but achieving the right texture is crucial. One common issue faced when baking is overmixing the batter, which can lead to a tough cake. I recommend mixing just until the flour is incorporated to maintain a tender crumb. You'll know your cake is ready to bake when the batter is smooth and slightly thick but not overly dense.

Another essential technique is to ensure even baking in a heart-shaped pan. I suggest placing your cake pan in the center of the oven and avoiding any drafts by keeping the oven door closed until it’s time to check doneness. Your cake should rise uniformly, developing a golden color around the edges and a springy texture when lightly pressed.

Understanding the Ingredients

The role of each ingredient is crucial in baking, especially in this mini heart cake. For instance, the use of unsalted butter not only helps control the salt content but also contributes to the cake's rich flavor and moisture. Be sure it’s softened to room temperature for easy creaming with sugar, which helps aerate the mixture to create a light cake.

Many bakers might wonder about substituting fresh strawberries in the buttercream. If fresh strawberries aren’t available, you can use frozen ones, but make sure to thaw and thoroughly drain them to avoid excess moisture in your frosting. Alternatively, a high-quality strawberry jam can stand in for fresh berries to maintain a sweet, fruity flavor while simplifying the buttercream preparation.

Ingredients for Mini Heart Cake

For the Cake

  • 1 cup all-purpose flour
  • 1/2 cup granulated sugar
  • 1/2 cup unsalted butter, softened
  • 2 large eggs
  • 1 tsp vanilla extract
  • 1/2 tsp baking powder
  • 1/4 tsp salt

For the Strawberry Buttercream

  • 1/2 cup unsalted butter, softened
  • 2 cups powdered sugar
  • 1/4 cup fresh strawberries, puréed
  • 1 tsp vanilla extract
  • 1-2 tbsp milk (if needed for consistency)

Steps to Make Mini Heart Cake

Prepare the Cake Batter

Preheat the oven to 350°F (175°C). In a mixing bowl, cream the softened butter and sugar together until light and fluffy. Then, add the eggs one at a time, mixing well after each addition. Stir in the vanilla extract.

In another bowl, whisk together the flour, baking powder, and salt. Gradually add the dry ingredients to the wet mixture until just combined.

Bake the Cake

Grease and flour a heart-shaped cake pan. Pour the batter into the pan and smooth the top. Bake for about 25 minutes or until a toothpick inserted into the center comes out clean.

Let it cool in the pan for 10 minutes before transferring it to a wire rack to cool completely.

Make the Strawberry Buttercream

In a clean bowl, beat the softened butter with an electric mixer until creamy. Gradually add powdered sugar, then the strawberry purée and vanilla extract. Mix until light and fluffy. If necessary, add milk to reach a spreadable consistency.

Assemble the Cake

Once the cake is fully cooled, spread a generous amount of strawberry buttercream on top. You can also slice the cake in half horizontally and add frosting between the layers for an extra treat. Decorate with fresh strawberry slices if desired.

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Pro Tips

  • For the best results, use room-temperature ingredients. This cake can be made a day ahead
  • just store it in an airtight container to keep it fresh. Feel free to add more strawberries for decoration or flavor!

Storing and Serving Your Mini Heart Cake

Once baked, the mini heart cake can be stored at room temperature, covered loosely with plastic wrap, for up to two days. For longer storage, consider refrigerating it, but make sure to let it come to room temperature before serving to enhance the flavors. If you've decorated it with frosting, consume it within three days to enjoy the best taste and texture.

For serving ideas, cut the cake into slices and plate with fresh strawberries and a drizzle of chocolate sauce for an elegant treat. If you’re hosting a celebration, pairing the cake with whipped cream or a scoop of vanilla ice cream can elevate the dessert experience.

Troubleshooting Common Baking Issues

If your mini heart cake ends up too dense, consider checking the freshness of your baking powder. An expired leavening agent can result in a heavy cake that doesn't rise well. To remedy this, ensure your ingredients are fresh and accurately measured. Investing in a digital kitchen scale can help achieve precision if you frequently bake.

Should the cake stick to the pan upon removal, despite greasing, a light dusting of flour can help keep it from adhering. I also recommend letting the cake cool for about 10 minutes after baking before removing it from the pan, as this allows the structure to stabilize and reduces the likelihood of breaking.

Questions About Recipes

→ Can I use frozen strawberries for the buttercream?

Yes, you can use frozen strawberries; just make sure to thaw them and drain any excess liquid before puréeing.

→ How do I store leftovers?

Store leftover cake in an airtight container in the refrigerator for up to 3 days.

→ Can I make this cake in a different shape?

Absolutely! You can use any cake pan to create a different shape; just adjust baking times as needed.

→ What should I do if the frosting is too thick?

If the frosting is too thick, slowly add milk, one tablespoon at a time, until you reach your desired consistency.

Mini Heart Cake with Strawberry Buttercream

I love baking this Mini Heart Cake with Strawberry Buttercream for special occasions. The dainty size makes it perfect for sharing, while the sweet, fruity frosting always gets rave reviews. Creating this cake is not just about the taste—it's also about the presentation. With its lovely heart shape and vibrant color, it's sure to brighten anyone's day. Plus, whipping up the strawberry buttercream is a delightful way to bring summer flavors to life, even in the middle of winter. I'm happy to share this recipe so you can enjoy it too!

Prep Time20 minutes
Cooking Duration25 minutes
Overall Time45 minutes

Created by: Isla Turner

Recipe Type: Baking & Desserts

Skill Level: Intermediate

Final Quantity: 4 servings

What You'll Need

For the Cake

  1. 1 cup all-purpose flour
  2. 1/2 cup granulated sugar
  3. 1/2 cup unsalted butter, softened
  4. 2 large eggs
  5. 1 tsp vanilla extract
  6. 1/2 tsp baking powder
  7. 1/4 tsp salt

For the Strawberry Buttercream

  1. 1/2 cup unsalted butter, softened
  2. 2 cups powdered sugar
  3. 1/4 cup fresh strawberries, puréed
  4. 1 tsp vanilla extract
  5. 1-2 tbsp milk (if needed for consistency)

How-To Steps

Step 01

Preheat the oven to 350°F (175°C). In a mixing bowl, cream the softened butter and sugar together until light and fluffy. Then, add the eggs one at a time, mixing well after each addition. Stir in the vanilla extract. In another bowl, whisk together the flour, baking powder, and salt. Gradually add the dry ingredients to the wet mixture until just combined.

Step 02

Grease and flour a heart-shaped cake pan. Pour the batter into the pan and smooth the top. Bake for about 25 minutes or until a toothpick inserted into the center comes out clean. Let it cool in the pan for 10 minutes before transferring it to a wire rack to cool completely.

Step 03

In a clean bowl, beat the softened butter with an electric mixer until creamy. Gradually add powdered sugar, then the strawberry purée and vanilla extract. Mix until light and fluffy. If necessary, add milk to reach a spreadable consistency.

Step 04

Once the cake is fully cooled, spread a generous amount of strawberry buttercream on top. You can also slice the cake in half horizontally and add frosting between the layers for an extra treat. Decorate with fresh strawberry slices if desired.

Extra Tips

  1. For the best results, use room-temperature ingredients. This cake can be made a day ahead
  2. just store it in an airtight container to keep it fresh. Feel free to add more strawberries for decoration or flavor!

Nutritional Breakdown (Per Serving)

  • Calories: 290 kcal
  • Total Fat: 15g
  • Saturated Fat: 8g
  • Cholesterol: 40mg
  • Sodium: 120mg
  • Total Carbohydrates: 39g
  • Dietary Fiber: 1g
  • Sugars: 27g
  • Protein: 3g