Mini Heart Cake with Strawberry Buttercream

Highlighted under: Soft Ideas

I absolutely adore making these Mini Heart Cakes, especially when they are topped with my favorite strawberry buttercream. The way they look paired with the delicate pink frosting makes them perfect for any celebration or just a sweet indulgence at home. This recipe is fun to prepare, and it conveys love not just through its appearance but also through the delightful burst of strawberry flavor that pairs beautifully with the moist cake. Trust me, these will be a hit at any gathering!

Kendra Lawson

Created by

Kendra Lawson

Last updated on 2026-01-13T05:05:36.249Z

When I first made these Mini Heart Cakes, I was inspired by my love for both baking and presenting desserts that look as good as they taste. The mini size makes them perfect for sharing, and the heart shape adds a touch of romance, making them ideal for anniversaries or Valentine’s Day. I recommend using fresh strawberries for the best flavor in your buttercream; it truly makes a difference!

One tip I discovered while perfecting this recipe is to chill the buttercream slightly before frosting the cakes. This allows it to hold its shape better when piped onto the cakes, resulting in a beautifully finished dessert that looks almost too good to eat. Enjoy crafting these little beauties!

Why You'll Love This Recipe

  • Rich strawberry flavor paired with creamy buttercream
  • Adorable heart shape makes them perfect for celebrations
  • Easy to make and customize with different flavors

Understanding the Cake Ingredients

The foundation of your Mini Heart Cakes lies in the balance of ingredients. All-purpose flour gives the cakes structure, while the eggs act as a binding agent. When creaming the butter and sugar, aim for a light and fluffy texture, which helps create a moist cake with a tender crumb. Don’t rush this step—taking around 3-5 minutes will yield the best results. The baking powder is crucial; it ensures your cakes rise beautifully, so make sure it's fresh for maximum leavening.

Using room temperature ingredients can really impact your cake’s texture. Ensure your butter is softened properly; it should leave an indentation when pressed but not be oily. If you're in a hurry, you can gently microwave the butter for 10 seconds at a time to soften it without melting. Room temperature milk also integrates smoothly into the batter, leading to a more consistent texture when baked.

Frosting Tips for the Strawberry Buttercream

The berry-flavored frosting is what makes these cakes special. Fresh strawberry puree adds natural sweetness and a vibrant flavor, but it can also add moisture that alters consistency. If your buttercream is too runny, simply add more powdered sugar, gradually, until the desired thickness is achieved. Conversely, if it's too stiff, a tablespoon of milk will smooth it out. Aim for a creamy and spreadable consistency that can hold peaks while still being easy to pipe.

When frosting the mini heart cakes, use a spatula or a piping bag to achieve delightful swirls and designs. If you want to add a decorative touch, reserve a few slices of the strawberries to place on top of the frosted cakes. Not only does this enhance the visual appeal, but it also reinforces the fresh strawberry flavor, making each bite a delightful experience.

Storage and Make-Ahead Options

Need to prep ahead of time? These Mini Heart Cakes are great for making in advance! Once they’ve cooled completely, wrap each cake tightly in plastic wrap and refrigerate for up to 3 days. If you need them to last longer, you can freeze the baked and cooled cakes. Just place them in a freezer-safe container, and they’ll keep for up to 3 months. When ready to use, simply thaw them in the fridge overnight before frosting.

If you have leftover strawberry buttercream, store it in an airtight container in the refrigerator for up to a week. You can repurpose it for cupcakes or cookies, or simply enjoy it on toast! To bring it back to a spreadable consistency, let it sit at room temperature for about 30 minutes before using.

Ingredients

Mini Heart Cake Ingredients

  • 1 ½ cups all-purpose flour
  • 1 cup granulated sugar
  • ½ cup unsalted butter, softened
  • 1 cup milk
  • 2 large eggs
  • 1 ½ tsp baking powder
  • 1 tsp vanilla extract
  • Pinch of salt

Strawberry Buttercream Ingredients

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

Instructions

Preheat and Prepare

Preheat your oven to 350°F (175°C). Grease and flour mini heart-shaped cake pans.

Mix the Cake Batter

In a large mixing bowl, cream together the butter and sugar until light and fluffy. Add eggs one at a time, mixing well after each addition. Stir in vanilla extract.

Combine Dry Ingredients

In a separate bowl, sift together the flour, baking powder, and salt.

Combine and Bake

Gradually add the dry ingredients to the wet mixture, alternating with the milk. Mix until just combined. Pour batter into prepared pans and bake for 20-25 minutes.

Prepare the Buttercream

While the cakes cool, whip the butter until creamy. Gradually add powdered sugar and strawberry puree. Mix until fluffy, adding milk as needed.

Frost the Cakes

Once the cakes are cooled, frost each mini heart cake generously with the strawberry buttercream.

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Pro Tips

  • For extra flavor, try adding a dash of lemon juice to the strawberry buttercream.

Serving Suggestions

These Mini Heart Cakes are not only visually appealing but also versatile in serving. You can plate them alongside a scoop of vanilla ice cream for a delightful contrast in flavors and textures. For a more elegant presentation, dust the cakes with powdered sugar or garnish with fresh mint leaves to add a pop of color and freshness.

If you’re hosting a gathering or a romantic dinner, consider pairing these cakes with a side of fresh fruit or a fruit coulis. The acidity of the berries can complement the sweetness of the cake and frosting beautifully, making each bite even more enjoyable.

Customizing Your Mini Heart Cakes

While strawberry buttercream is a favorite, don’t hesitate to experiment with different flavors! You can substitute the strawberries with other fruits like raspberries or blueberries for a new twist. Just remember that the fruit’s moisture content and flavor will influence the final outcome, so adjust the sugar levels accordingly.

For a chocolate version, simply replace a portion of the flour with cocoa powder in the cake batter and use chocolate buttercream for frosting. This variation offers a rich, indulgent taste that delights chocolate lovers. You might even go for a lemon buttercream, which would provide a zesty contrast to the sweet heart cakes.

Questions About Recipes

→ Can I use frozen strawberries for the buttercream?

Yes, but make sure to thaw and drain excess liquid before pureeing.

→ How can I store the mini cakes?

Store in an airtight container at room temperature for up to 3 days.

→ Can I make this recipe gluten-free?

Yes, you can substitute the all-purpose flour with a gluten-free blend.

→ How long do the cakes take to cool?

Allow the cakes to cool in the pans for about 10 minutes before transferring them to a wire rack to cool completely.

Mini Heart Cake with Strawberry Buttercream

I absolutely adore making these Mini Heart Cakes, especially when they are topped with my favorite strawberry buttercream. The way they look paired with the delicate pink frosting makes them perfect for any celebration or just a sweet indulgence at home. This recipe is fun to prepare, and it conveys love not just through its appearance but also through the delightful burst of strawberry flavor that pairs beautifully with the moist cake. Trust me, these will be a hit at any gathering!

Prep Time20 minutes
Cooking Duration25 minutes
Overall Time45 minutes

Created by: Kendra Lawson

Recipe Type: Soft Ideas

Skill Level: Intermediate

Final Quantity: 6 mini cakes

What You'll Need

Mini Heart Cake Ingredients

  1. 1 ½ cups all-purpose flour
  2. 1 cup granulated sugar
  3. ½ cup unsalted butter, softened
  4. 1 cup milk
  5. 2 large eggs
  6. 1 ½ tsp baking powder
  7. 1 tsp vanilla extract
  8. Pinch of salt

Strawberry Buttercream Ingredients

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

How-To Steps

Step 01

Preheat your oven to 350°F (175°C). Grease and flour mini heart-shaped cake pans.

Step 02

In a large mixing bowl, cream together the butter and sugar until light and fluffy. Add eggs one at a time, mixing well after each addition. Stir in vanilla extract.

Step 03

In a separate bowl, sift together the flour, baking powder, and salt.

Step 04

Gradually add the dry ingredients to the wet mixture, alternating with the milk. Mix until just combined. Pour batter into prepared pans and bake for 20-25 minutes.

Step 05

While the cakes cool, whip the butter until creamy. Gradually add powdered sugar and strawberry puree. Mix until fluffy, adding milk as needed.

Step 06

Once the cakes are cooled, frost each mini heart cake generously with the strawberry buttercream.

Extra Tips

  1. For extra flavor, try adding a dash of lemon juice to the strawberry buttercream.

Nutritional Breakdown (Per Serving)

  • Calories: 350 kcal
  • Total Fat: 20g
  • Saturated Fat: 12g
  • Cholesterol: 55mg
  • Sodium: 160mg
  • Total Carbohydrates: 40g
  • Dietary Fiber: 1g
  • Sugars: 28g
  • Protein: 3g