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Strawberry Lemonade Filled Cupcakes

A strawberry lemonade cupcake decorated strawberry frosting on a white plate, with a strawberry half and a fork next to it

These Strawberry Lemonade Filled Cupcakes are made with lemon buttermilk cupcakes filled with a silky strawberry lemon curd and topped with a creamy strawberry Swiss meringue buttercream. If you are a fan of vibrant strawberry and lemon flavors these are going to be your favorite summer cupcakes!

A lemon cupcake topped with strawberry buttercream frosting on a white plate, with more cupcakes in the background

Why you will love these Strawberry Lemonade Filled Cupcakes

These cupcakes are very different than a regular lemon or strawberry cupcake. They have a layered flavor that makes them extra special. The lemon cupcake is bright but soft, the strawberry lemon curd adds a fresh, slightly tangy center, and the buttercream brings a smooth strawberry finish. It’s more balanced and a little more interesting than a single-flavor cupcake.

Three strawberry lemon cupcakes on a small white cake stand, with strawberries in the background

These strawberry lemonade cupcakes are perfect for a birthday party, a baby shower, a Mother´s Day brunch, a tea party, or any special occasion. They can also be made just because you want a special treat for yourself or for your family/friends.

Ingredients Needed

Most the ingredients used for this recipe are easy to find at your local supermarket and you might already have some of them on hand.

  • All-purpose flour
  • Baking powder and baking soda
  • Fine sea salt
  • Granulated sugar
  • Unsalted butter
  • Neutral oil
  • Eggs
  • Fresh lemons
  • Buttermilk
  • Vanilla extract
  • Fresh strawberries
  • Freeze-dried strawberries: You can usually find the freeze-dried strawberries at most supermarkets in the same section as the dried fruit. They come either in slices, pieces or already in powder form. They are also available online.
Ingredients for Strawberry Lemonade Filled Cupcakes on a kitchen counter

Variations to try

  • Replace the strawberries (both fresh and freeze-dried) with raspberries, blackberries, mango or peaches for a different fruity flavor.
  • Replace the lemon with passion fruit for a tropical twist.
  • For a simplified version, you can use store-bought lemon curd to fill the cupcakes. You can also skip the filling and make them as lemon cupcakes with strawberry buttercream. You’ll lose some of the layered effect, but they’ll still taste great.
Overhead view of several cupcakes decorated with strawberry frosting, some are on a wire rack and other are on the kitchen counter

Tips for Making the Best Strawberry Lemon Cupcakes

  • Rub the lemon zest into the sugar before mixing the batter. This releases the citrus oils and gives the cupcakes a much stronger lemon flavor.
  • Butter, eggs, and buttermilk should all be at room temperature so the batter emulsifies properly and produces a soft, even crumb.
  • Strain the strawberry puree to remove seeds and create a smooth, vibrant curd that fills the cupcakes neatly.
  • Fill cupcake liners only about two-thirds full. Overfilling can cause spreading rather than a nicely domed cupcake.
  • Grinding freeze-dried strawberries into powder gives the buttercream a strong strawberry flavor without adding extra moisture, which helps keep the frosting stable.
  • If the Swiss meringue buttercream looks curdled while mixing, keep beating, it will smooth out as the butter fully emulsifies. If the frosting becomes too soft, chill the bowl for 5–10 minutes and whip again. Swiss meringue buttercream performs best at 72º F.
  • The strawberry lemon curd should be fully chilled and thick before filling the cupcakes. If it is too warm, it can soak into the cake.
A strawberry lemonade cupcake decorated with a small decorate striped straw on a white plate with more cupcakes on a stand in the background

Preparing the Strawberry Lemon Curd filling

Do I have to make the strawberry lemon curd, or can I use store-bought?

You can use store-bought if needed, but the homemade version gives a fresher, more vibrant flavor and a better consistency for filling.

How do I know when the curd is thick enough?

It should coat the back of a spoon and hold a line when you run your finger through it. It will thicken more as it chills.

Why do I need to chill the curd before filling the cupcakes?

If the curd is too warm or loose, it can soak into the cupcake instead of staying as a distinct filling. The lemon curd can be made ahead of time and kept refrigerated until ready to use.

A cupcake filled with a strawberry lemon curd cut in half, with the filling oozing out

Make Ahead and Storage instructions for Strawberry Filled Cupcakes

  • The strawberry lemonade curd can be made 2–3 days in advance and stored in the fridge.
  • Cupcakes can be baked one day ahead and stored covered at room temperature.
  • Assemble the cupcakes the day you plan to serve them for the freshest flavor and texture.
  • Because of the curd filling and buttercream frosting, finished cupcakes should be stored in the refrigerator. Let them sit at room temperature for about 20–30 minutes before serving for the best texture and flavor.
  • The unfrosted cupcakes can be frozen, but the filled and frosted cupcakes are best enjoyed fresh. The curd and buttercream don’t freeze as cleanly.
Sideview of three strawberry lemon cupcakes on a small white cake stand, with more cupcakes and strawberries in the background

Additional frequently asked questions

Why do I rub the lemon zest into the sugar?

This releases the oils from the zest and gives the cupcakes a stronger, more natural lemon flavor throughout.

Can I use bottled lemon juice?

Fresh lemon juice is best here. It gives a cleaner, brighter flavor that really makes the recipe stand out.

What does the oil do in the cupcakes?

The oil helps keep the cupcakes moist and tender, even after refrigeration. It works with the butter to give both flavor and texture.

Closeup of a lemon cupcake decorated with strawberry frosting and decorated with a lemon slice and a striped straw

Do I need a stand mixer for the buttercream?

A stand mixer makes it easier, but a hand mixer will work. It just may take a bit longer to reach the right texture.

My Swiss meringue buttercream looks curdled, what happened?

This is normal at some stages. Keep mixing and it should come together into a smooth, silky frosting. If it’s too soft, chill the bowl briefly and whip again.

Why use freeze-dried strawberries in the buttercream?

Freeze-dried strawberries give strong strawberry flavor without adding extra liquid, which keeps the buttercream stable and smooth.

Three strawberry lemonade cupcakes lined up, each one is on its own white plate
A strawberry lemonade cupcake decorated strawberry frosting on a white plate, with a strawberry half and a fork next to it

Strawberry Lemonade Filled Cupcakes

Bright lemon buttermilk cupcakes filled with silky strawberry lemon curd and topped with strawberry Swiss meringue buttercream.
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Course: Dessert, Sweet treats
Cuisine: North American, USA
Keyword: Cupcakes, Freeze-dried strawberries, Lemonade, Spring, Strawberry, Strawberry Lemon Curd, Strawberry Swiss Meringue Buttercream, Summer
Prep Time: 50 minutes
Cook Time: 20 minutes
Total Time: 1 hour 45 minutes
Servings: 12 cupcakes

Ingredients

For the Strawberry Lemon Curd Filling

  • 1 cup fresh strawberries washed and hulled
  • 1 large egg
  • 2 egg yolks
  • 1/3 cup granulated sugar 67 g
  • 3 tablespoons fresh lemon juice
  • 1 teaspoon lemon zest
  • 4 tablespoons unsalted butter, cubed 56 g
  • Pinch of salt

For the Lemon Buttermilk Cupcakes

  • cups all-purpose flour 180 g
  • 1 teaspoon baking powder
  • ½ teaspoon baking soda
  • ½ teaspoon fine sea salt
  • ¾ cup granulated sugar 150 g
  • Zest of 2–3 lemons
  • ¼ cup unsalted butter, room temperature 56 g
  • ¼ cup neutral oil (grapeseed or vegetable) 60 ml
  • 2 large eggs room temperature
  • 3 tablespoons fresh lemon juice
  • 1 teaspoon vanilla extract
  • ½ cup buttermilk, room temperature 120 ml

For the Strawberry Swiss Meringue Buttercream

  • 3 large egg whites
  • ¾ cup granulated sugar 150 g
  • 1 cup unsalted butter, room temperature 226 g
  • 1 teaspoon vanilla extract
  • ½ cup freeze-dried strawberries ground into powder
  • ¼ teaspoon fine sea salt

Additional Garnish ideas:

  • Fresh strawberry slices
  • Light sprinkle of lemon zest
  • Candied lemon peel curls

Instructions

Make the Strawberry Lemon Curd:

  • Blend strawberries until smooth and strain through a fine mesh sieve to remove seeds.
    Blend strawberries until smooth
  • In a small saucepan whisk together strawberry puree, egg, egg yolks, sugar, lemon juice, lemon zest, and salt.
    Strawberry puree, egg, egg yolks, sugar, lemon juice, lemon zest, and salt in a small saucepan
  • Cook over medium-low heat, stirring constantly, until thickened and able to coat the back of a spoon.
    A pot of strawberry lemon curd with a whisk in it
  • Remove from heat and whisk in butter until smooth. Strain again if desired for extra smooth texture.
    Cubes of butter being whisked into a pot of strawberry lemon curd
  • Chill until fully set.
    A white bowl full of homemade strawberry lemon curd

Make the Lemon Cupcakes:

  • Preheat the oven to 350°F (175°C). Line a cupcake pan with 12 liners.
  • In a bowl, whisk flour, baking powder, baking soda, and salt together.
    Flour, baking powder, baking soda, and salt in a large mixing bowl
  • Place sugar and lemon zest in a large mixing bowl and rub together with your fingers until fragrant.
    Sugar and lemon zest in a mixing bowl
  • Add butter and oil and beat until light and creamy, about 2–3 minutes.
    Add butter and oil to the lemon zest mix
  • Add eggs one at a time, mixing well after each addition.
    Eggs being added to a batter in a bowl
  • Mix in lemon juice and vanilla extract.
    Lemon juice and vanilla extract being added to a cupcake batter in a large bowl
  • Add dry ingredients in two additions alternating with the buttermilk, mixing just until combined.
    Buttermilk being added to a cupcake batter
  • Divide batter evenly among liners, filling each about two-thirds full.
    A baking pan with uncooked cupcakes
  • Bake for 18–20 minutes, until a toothpick inserted in the center comes out clean.
  • Cool completely.
    Overhead view of a baking pan with lemon cupcakes just out of the oven

Make the Strawberry Swiss Meringue Buttercream:

  • Combine egg whites and sugar in a heatproof bowl set over simmering water. Whisk constantly until the sugar dissolves and mixture reaches about 160°F (71°C).
    Egg whites and sugar being whisked in a heatproof bowl set over simmering water
  • Transfer to a stand mixer and whip on high speed until a glossy meringue forms and the bowl is cool.
    Glossy meringue in a glass mixing bowl
  • Add butter one tablespoon at a time while mixing on medium speed until smooth.
    Buttercream meringue in a glass bowl with strawberry powder and vanilla on the side
  • Mix in vanilla extract and powdered freeze-dried strawberries.
    Aanilla extract and powdered freeze-dried strawberries being added to a bowl with buttercream frosting
  • Beat until silky and smooth.
    A mixing bowl with strawberry Swiss meringue buttercream

Assemble the Cupcakes:

  • Use a small knife or cupcake corer to remove a small plug from the center of each cupcake. Cut off the bottom of the plug and keep the top.
    Overhead view of a cupcake with a piece of the center removed to make place for filling it
  • Fill each cavity with about 1+ teaspoons strawberry lemon curd. Place the top of the plug back on top.
    A cupcake being filled with strawberry lemon curd
  • Pipe strawberry buttercream on top.
    Strawberry buttercream frosting being piped onto a cupcake
  • Garnish if you wish with a slice of lemon or strawberry, lemon peel twists, sprinkles, mint leaf. Have fun and get creative!
    Closeup of a lemon cupcake decorated with strawberry frosting and decorated with a lemon slice and a striped straw

Notes

  • Rub the lemon zest into the sugar before mixing the batter. This releases the citrus oils and gives the cupcakes a much stronger lemon flavor.
  • Butter, eggs, and buttermilk should all be at room temperature so the batter emulsifies properly and produces a soft, even crumb.
  • Strain the strawberry puree to remove seeds and create a smooth, vibrant curd that fills the cupcakes neatly.
  • Fill cupcake liners only about two-thirds full. Overfilling can cause spreading rather than a nicely domed cupcake.
  • Grinding freeze-dried strawberries into powder gives the buttercream a strong strawberry flavor without adding extra moisture, which helps keep the frosting stable.
  • If the Swiss meringue buttercream looks curdled while mixing, keep beating, it will smooth out as the butter fully emulsifies. If the frosting becomes too soft, chill the bowl for 5–10 minutes and whip again. Swiss meringue buttercream performs best at 72º F.
  • The strawberry lemon curd should be fully chilled and thick before filling the cupcakes. If it is too warm, it can soak into the cake.
  • Cupcakes can be baked one day ahead and stored covered at room temperature. Assemble the cupcakes the next day for the freshest flavor and texture.
  • Because of the curd filling and buttercream frosting, finished cupcakes should be stored in the refrigerator. Allow them to come to room temperature before serving for the best flavor and texture.

Photos of the step by step preparation process for Strawberry Lemonade Filled Cupcakes:

Collage of the step by step preparation process photos for a Strawberry Lemonade Filled Cupcakes recipe
Overhead view of several strawberry lemon filled cupcakes with one of them cut in half to show the filling

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