Mini Heart Cake with Strawberry Filling

Highlighted under: Sweet Oven Stories

I love making these adorable Mini Heart Cakes with Strawberry Filling for special occasions. They are the perfect size for sharing, and I enjoy preparing each cake with love and attention to detail. The moist layers are filled with a sweet strawberry compote, and the delicate frosting adds an elegant touch. I always find that these mini cakes bring smiles to everyone's faces, making them a delightful treat for my family and friends.

Lydia Barrett

Created by

Lydia Barrett

Last updated on 2026-01-05T23:37:22.710Z

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When I first tried making Mini Heart Cakes, I was amazed at how fun and rewarding the process was. I experimented with layers and fillings, eventually landing on a classic strawberry compote that beautifully complements the cake's flavor. To achieve the ideal balance of sweetness and freshness, I used ripe strawberries that I hand-picked from my local market.

One crucial tip I learned is to make sure the cake layers cool completely before assembling. This prevents the frosting from melting and ensures that each mini cake holds its shape beautifully. Each bite is a little work of art that I’m proud to serve!

Why You'll Love This Recipe

  • Cute heart shape perfect for celebrations or romance
  • Fresh strawberry filling balances sweetness beautifully
  • Perfectly portioned for guilt-free indulgence

Key Techniques for Success

When making the batter for these mini heart cakes, it's important to cream the butter and sugar thoroughly. Aim for a light and fluffy texture, which typically takes about 3-5 minutes of mixing. This incorporation of air will result in a lighter cake. Make sure all ingredients are at room temperature to ensure proper blending. If your eggs or butter are cold, this could cause the batter to become lumpy, leading to denser cakes.

After baking, allow the cakes to cool for at least 10 minutes in the pans. If you try to remove them too soon, they might break apart. Once transferred to a wire rack, ensure they are completely cool before frosting; otherwise, the heat will melt your buttercream into an unspreadable puddle. Patience during the cooling process pays off in the form of a beautifully layered cake.

Ingredient Insights

The sweetness of this Mini Heart Cake is beautifully complemented by the fresh strawberry filling. Using ripe, in-season strawberries will give you the best flavor. If fresh strawberries are not available, you can substitute with frozen berries, but be sure to thaw and drain them well to avoid excess moisture in your filling. Additionally, using a touch of lemon juice brightens the flavor profile, making the filling even more refreshing.

In the frosting, the butter's role is crucial for achieving a creamy texture. If you'd like a lighter alternative, try using a blend of cream cheese and butter. This will add both tang and richness without being overly sweet. Adding a tablespoon of milk can help achieve your desired consistency; just be careful not to add too much, as it can thin the frosting unexpectedly.

Storage and Serving Suggestions

These Mini Heart Cakes can be made ahead of time and stored in the refrigerator for up to three days. If you need to transport them, I recommend assembling them with the filling but waiting to add the frosting until you arrive at your destination. This helps to maintain the frosting's shape and appearance. These cakes also freeze well; wrap them tightly in plastic wrap and then aluminum foil, for up to one month. Just thaw them in the refrigerator overnight before serving.

For an elegant serving presentation, consider dusting the tops with powdered sugar or placing fresh strawberries beside each cake when serving. You could also drizzle a simple strawberry sauce made from blended strawberries and a bit of sugar for an extra flair. These additions enhance both the visual appeal and flavor, making your cakes stand out even more during special occasions.

Ingredients

Ingredients

Gather these fresh and delightful ingredients to create the Mini Heart Cakes.

For the Cake

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

For the Strawberry Filling

  • 2 cups fresh strawberries, hulled and sliced
  • 1/4 cup sugar
  • 1 tbsp lemon juice
  • 1 tbsp cornstarch (optional, for thicker filling)

For the Frosting

  • 1/2 cup unsalted butter, softened
  • 2 cups powdered sugar
  • 1 tbsp milk
  • 1 tsp vanilla extract
  • Food coloring (optional)

Ensure you have everything ready before starting to assemble the cakes.

Instructions

Instructions

Follow these steps closely for perfect Mini Heart Cakes!

Prepare the Strawberry Filling

In a saucepan over medium heat, combine sliced strawberries, sugar, and lemon juice. Cook until the strawberries release their juices and the mixture thickens slightly. If a thicker filling is desired, mix cornstarch with a little water and add to the filling, cooking for an additional minute. Set aside to cool.

Make the Cake Batter

In a mixing bowl, cream the softened butter and sugar until light and fluffy. Beat in eggs one at a time, then stir in vanilla. In another bowl, whisk together flour, baking powder, and salt. Gradually add this dry mixture to the creamed mixture, alternating with milk until just combined.

Bake the Cakes

Preheat oven to 350°F (175°C) and grease heart-shaped cake pans. Pour batter evenly into the pans and bake for 20-25 minutes, or until a toothpick inserted comes out clean. Allow to cool in pans for 10 minutes before transferring to a wire rack.

Assemble the Cakes

Once the cake layers are completely cool, place one layer on a serving plate. Spread a layer of strawberry filling over it, then top with a second layer. Frost the top and sides with the prepared buttercream frosting. Decorate with additional strawberries or sprinkles if desired.

After assembling, chill the cakes for a bit to set the frosting.

Pro Tips

  • For an extra touch, feel free to add a splash of orange zest to the buttercream for a citrus twist!

Common Troubleshooting

If your cake layers turn out dense or dry, it's possible that too much flour was added. Be sure to spoon and level flour when measuring to avoid packing it into the cup. Additionally, refrain from overmixing the batter once the dry ingredients are added, as this can lead to tough cakes. Mix just until combined for the best texture.

Sometimes, the strawberry filling can turn out too runny. If this happens, a quick fix is to cook it for a bit longer on medium heat to evaporate excess moisture. Alternatively, adding a bit more cornstarch mixed with water can help the filling thicken without altering the flavor.

Variations on the Recipe

Feel free to experiment with different fillings! This cake pairs wonderfully with raspberry or blueberry compote for a seasonal twist. You could also consider using cocoa powder to create a chocolate version of the cake that works beautifully with any berry filling.

To give the frosting a twist, try adding a few tablespoons of cocoa powder for a chocolate buttercream. This not only adds richness but also changes the overall aesthetic of the Mini Heart Cakes, making them versatile for various themes.

Questions About Recipes

→ Can I use frozen strawberries instead of fresh?

Yes, you can use frozen strawberries, but be sure to thaw and drain them well before cooking.

→ How do I store the Mini Heart Cakes?

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

→ Can I make the cake batter ahead of time?

Yes, you can prepare the batter a day ahead and store it in the refrigerator until you're ready to bake.

→ What can I substitute for eggs?

You can use applesauce or flaxseed meal mixed with water as egg substitutes for a vegan option.

Mini Heart Cake with Strawberry Filling

I love making these adorable Mini Heart Cakes with Strawberry Filling for special occasions. They are the perfect size for sharing, and I enjoy preparing each cake with love and attention to detail. The moist layers are filled with a sweet strawberry compote, and the delicate frosting adds an elegant touch. I always find that these mini cakes bring smiles to everyone's faces, making them a delightful treat for my family and friends.

Prep Time30
Cooking Duration25
Overall Time55

Created by: Lydia Barrett

Recipe Type: Sweet Oven Stories

Skill Level: Intermediate

Final Quantity: 6 servings

What You'll Need

For the Cake

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

For the Strawberry Filling

  1. 2 cups fresh strawberries, hulled and sliced
  2. 1/4 cup sugar
  3. 1 tbsp lemon juice
  4. 1 tbsp cornstarch (optional, for thicker filling)

For the Frosting

  1. 1/2 cup unsalted butter, softened
  2. 2 cups powdered sugar
  3. 1 tbsp milk
  4. 1 tsp vanilla extract
  5. Food coloring (optional)

How-To Steps

Step 01

In a saucepan over medium heat, combine sliced strawberries, sugar, and lemon juice. Cook until the strawberries release their juices and the mixture thickens slightly. If a thicker filling is desired, mix cornstarch with a little water and add to the filling, cooking for an additional minute. Set aside to cool.

Step 02

In a mixing bowl, cream the softened butter and sugar until light and fluffy. Beat in eggs one at a time, then stir in vanilla. In another bowl, whisk together flour, baking powder, and salt. Gradually add this dry mixture to the creamed mixture, alternating with milk until just combined.

Step 03

Preheat oven to 350°F (175°C) and grease heart-shaped cake pans. Pour batter evenly into the pans and bake for 20-25 minutes, or until a toothpick inserted comes out clean. Allow to cool in pans for 10 minutes before transferring to a wire rack.

Step 04

Once the cake layers are completely cool, place one layer on a serving plate. Spread a layer of strawberry filling over it, then top with a second layer. Frost the top and sides with the prepared buttercream frosting. Decorate with additional strawberries or sprinkles if desired.

Extra Tips

  1. For an extra touch, feel free to add a splash of orange zest to the buttercream for a citrus twist!

Nutritional Breakdown (Per Serving)

  • Calories: 250 kcal
  • Total Fat: 12g
  • Saturated Fat: 7g
  • Cholesterol: 63mg
  • Sodium: 75mg
  • Total Carbohydrates: 34g
  • Dietary Fiber: 1g
  • Sugars: 18g
  • Protein: 3g