Strawberry Rhubarb Cupcakes That Taste Bright and Special

Strawberry Rhubarb Cupcakes bring together three lovely parts: soft fresh strawberry cupcakes, a spoonful of strawberry rhubarb compote tucked into the center, and whipped strawberry buttercream piped on top. They feel cheerful, a little nostalgic, and just right for spring gatherings, birthdays, showers, or any dessert table that needs something homemade and pretty.

What I love most about these Strawberry Rhubarb Cupcakes is the balance. The cupcake itself is tender and lightly fruity from fresh strawberry puree. The compote adds a tangy berry-rhubarb center that keeps every bite interesting. Then the buttercream finishes it with a creamy strawberry flavor without covering up the fruit filling.

This recipe makes about 30 cupcakes, which is helpful when you are baking for a crowd. The steps are divided into easy parts: make the compote, bake the cupcakes, whip the frosting, then fill and decorate. You can also make the compote ahead, which takes one task off your list before baking day.

Ingredients

strawberry rhubarb cupcakes

These Strawberry Rhubarb Cupcakes use fresh fruit in both the filling and frosting, so the flavor feels soft, bright, and real.

Strawberry Rhubarb Compote

You will need rhubarb cut into small pieces, roughly chopped strawberries, granulated sugar, and pure vanilla extract. The rhubarb gives the compote its tart edge, while the strawberries soften it with natural sweetness. The sugar helps the fruit cook down into a thick sauce, and vanilla rounds out the flavor.

Strawberry Cupcakes

The cupcake batter uses egg whites, whole milk, vanilla extract, cake flour, granulated sugar, baking powder, salt, unsalted butter, and fresh strawberry puree. Cake flour helps create a tender crumb, while room-temperature butter, milk, egg whites, and puree blend more smoothly into the batter. If you like fruit-filled cupcakes, you may also enjoy these strawberry shortcake cupcakes.

Whipped Strawberry Buttercream

The frosting is made with unsalted butter, powdered sugar, vanilla extract, and strawberry puree. Be careful when adding the puree. A little gives the buttercream flavor and a pretty strawberry note, but too much can loosen the texture.

What Is Compote?

strawberry rhubarb cupcakes

Compote is fruit cooked gently with sugar until the fruit softens and releases its juices. In these Strawberry Rhubarb Cupcakes, the compote is made with rhubarb, strawberries, sugar, and vanilla. It starts loose as the fruit warms, then thickens as it simmers.

For this recipe, the compote should be thick enough to spoon into the center of the cupcakes. If it looks too thin after the simmering time, cook it a little longer so the juices reduce. Let it cool before filling the cupcakes, because warm filling can soften the cake and frosting.

The compote can be made ahead and stored in the refrigerator until you are ready to assemble. That makes these Strawberry Rhubarb Cupcakes much easier to manage for a party or holiday dessert table. For another fruit filling idea, take a look at this homemade cherry pie filling.

Strawberry Puree

Fresh strawberry puree is used in both the cupcake batter and the whipped buttercream. To make it, place washed strawberries with the stems removed in a food processor and puree until smooth.

The recipe note also says you can cook down the strawberries to thicken the puree. This can be helpful if the berries are very juicy or if you want a thicker puree for the frosting. For the buttercream, add the puree carefully and a little at a time so the frosting stays pipeable. The National Center for Home Food Preservation also has helpful information on fruit purees when you want more storage guidance.

Room-temperature puree is best for both the batter and frosting. Cold puree can make the butter harder to blend, especially in the buttercream.

How to Make Strawberry Rhubarb Cupcakes with Fresh Fruit Filling

Start with the compote. Combine the rhubarb, strawberries, sugar, and vanilla in a medium saucepan over medium-low heat. Stir now and then as the fruit softens and begins to break down. Once the fruit has released its juices, raise the heat to medium and cook until the mixture reaches a light boil. Lower the heat again and let it simmer for about 10 minutes, or longer if you want a thicker sauce. Remove it from the heat and let it cool.

Next, prepare the cupcake pans. Preheat the oven to 350ºF and line cupcake pans with paper liners. The recipe makes about 30 cupcakes, so you may need more than one pan or more than one baking round.

In a large measuring glass or small bowl, combine the egg whites, 1/4 cup of the milk, and vanilla extract. Set this aside. In the bowl of an electric mixer, stir together the cake flour, sugar, baking powder, and salt on low for about 30 seconds.

Add the butter one cube at a time while keeping the mixer on low. Once the butter has been added, pour in the remaining 1/4 cup milk and the strawberry puree. Mix on medium speed until the butter is blended in.

Add the egg white mixture in about three additions. Mix well on medium speed for about 20 seconds after each addition. The batter should look smooth, but avoid overmixing. Fill the cupcake liners a little over halfway full.

Bake the cupcakes for about 16 to 18 minutes, rotating the pans halfway through. They are ready when a toothpick inserted in the center comes out clean. Let the cupcakes cool in the pans for about 10 minutes, then move them to a wire rack to cool fully.

Whipped Strawberry Buttercream

strawberry rhubarb cupcakes

This whipped strawberry buttercream is soft, creamy, and full of fresh strawberry flavor. The key is giving the butter enough time in the mixer before adding the sugar.

Beat the butter on medium speed for 8 minutes. It will become very pale and creamy. Add the powdered sugar a little at a time, mixing after each addition. Add the vanilla extract and strawberry puree, then mix on low until combined. Turn the mixer up to medium and beat for 6 minutes.

The frosting should become light and fluffy. If it needs adjusting, add a little more powdered sugar to thicken it or a little more strawberry puree to thin it. Add puree carefully, because too much can make the frosting too soft for piping.

Filling and Frosting the Cupcakes

Once the cupcakes are completely cool, cut a small round piece out of the top of each one. A cupcake corer works well for this, but you can also use a small sharp tool if that is what you have. Spoon 1 teaspoon of cooled strawberry rhubarb compote into each cupcake, then replace the cake piece.

Top the filled Strawberry Rhubarb Cupcakes with whipped strawberry buttercream. A large round frosting tip gives a soft bakery-style look, while a 1M tip creates a more decorative swirl.

Make sure the compote is cool before filling and the cupcakes are cool before frosting. This helps the buttercream hold its shape and keeps the filling neatly tucked inside.

Tips for the Best Strawberry Rhubarb Cupcakes

Use room-temperature ingredients where the recipe calls for them. Egg whites, milk, butter, and strawberry puree blend more evenly when they are not cold.

Fill the liners just a little over half full. This gives the cupcakes room to rise without spilling over the edges.

Do not rush the cooling time. Filled cupcakes need a stable crumb, and frosting needs a cool surface. If the cupcakes are even slightly warm, the buttercream can soften quickly.

For the compote, cook it longer if you prefer a thicker center. A thicker compote is easier to spoon into the cupcakes and less likely to soak into the cake too much. For broader fruit spread tips, the University of Minnesota Extension has a useful guide to preserving fruit spreads.

When making the frosting, add strawberry puree slowly. The flavor builds fast, and the texture can change quickly.

Make-Ahead and Serving Notes

The strawberry rhubarb compote can be made ahead and stored in the refrigerator until you are ready to use it. This is the easiest part of the recipe to prepare in advance.

The cupcakes should be fully cooled before filling and frosting. For serving, these Strawberry Rhubarb Cupcakes are lovely on a platter for spring parties, birthdays, Mother’s Day, baby showers, or weekend baking when fresh rhubarb is in season.

Because the recipe makes about 30 cupcakes, it is a good choice when you want a dessert that feels special but still serves a larger group. For another creamy berry dessert, these creamy no-bake cheesecake with berries would fit nicely beside them.

Frequently Asked Questions

Can I make the compote ahead of time?

Yes. The recipe specifically notes that the compote can be made ahead and stored in the refrigerator until ready to use. Let it cool before filling the cupcakes.

How much filling goes in each cupcake?

Use 1 teaspoon of cooled strawberry rhubarb compote for each cupcake. This gives the center enough flavor without making the cupcake difficult to eat.

How do I make strawberry puree?

Place washed strawberries with stems removed in a food processor and puree until smooth. You can also cook down the strawberries if you want a thicker puree.

Can I add more strawberry puree to the frosting?

Yes, but add it carefully. A little more puree can thin the buttercream, while powdered sugar can thicken it. Too much puree may make the frosting too loose.

When are the cupcakes done baking?

Bake them for about 16 to 18 minutes, rotating the pans halfway through. They are done when a toothpick inserted in the center comes out clean.

Final Thoughts

Strawberry Rhubarb Cupcakes are the kind of dessert that feels homemade in the best way. The fresh strawberry cupcake is tender, the rhubarb-strawberry center adds a bright surprise, and the whipped strawberry buttercream makes the whole cupcake feel finished and festive.

They do take a few steps, but each part is simple and clear. Make the compote ahead, let the cupcakes cool fully, and take your time with the frosting. The result is a batch of Strawberry Rhubarb Cupcakes that looks beautiful, tastes fresh, and brings a sweet seasonal touch to the table.

strawberry rhubarb cupcakes

Strawberry Rhubarb Cupcakes

Fresh strawberry cupcakes, filled with a strawberry rhubarb compote, and topped with a whipped fresh strawberry buttercream frosting.
Course Dessert
Cuisine American
Servings 30 cupcakes

Equipment

  • Medium saucepan
  • Cupcake pans
  • Paper liners
  • Electric mixer
  • Large measuring glass or small bowl
  • wire rack
  • Food processor
  • Cupcake corer
  • Piping tip

Ingredients
  

Strawberry Rhubarb Compote

  • 2 cups rhubarb cut into small pieces
  • 1 cup strawberries stems removed and roughly chopped
  • 7 tablespoons granulated sugar
  • 2 teaspoons pure vanilla extract

Strawberry Cupcakes

  • 5 large egg whites at room temperature
  • 1/2 cup whole milk at room temperature
  • 1-1/2 teaspoons pure vanilla extract
  • 2-1/2 cups cake flour
  • 1-3/4 cups granulated sugar
  • 1 tablespoon + 1 teaspoon baking powder
  • 3/4 teaspoon salt
  • 12 tablespoons unsalted butter at room temperature and cut into cubes
  • 1/4 cup strawberry puree made from fresh strawberries* room temperature

Whipped Strawberry Buttercream

  • 3 sticks (24 tablespoons) unsalted butter room temperature
  • 3 cups powdered sugar
  • 1/2 teaspoon pure vanilla extract
  • 5 tablespoons strawberry puree room temperature

Instructions
 

For the strawberry rhubarb compote

  • The compote can be made ahead and stored in the refrigerator until ready to use.
  • Combine all ingredients in medium saucepan over medium low heat.
  • Heat, stirring occasionally until the fruit softens and is beginning to break down.
  • Increase the heat to medium. Continue to cook, stirring often, until the mixture reaches a light boil. Reduce heat back down to medium low.
  • Allow to simmer for another 10 minutes or so, until the mixture has reduced and juices become thick. (Cook it longer for thicker sauce).
  • Remove from heat and let cool.

For the cupcakes

  • Preheat oven to 350ºF.
  • Line cupcake pans with paper liners. (I get about 30 cupcakes from this recipe).
  • In a large measuring glass or small bowl, combine egg whites, 1/4 cup of the milk and vanilla extract; set aside.
  • In the bowl of an electric mixer, stir together cake flour, sugar, baking powder and salt, on low for about 30 seconds.
  • Add butter, keeping mixer on low speed and adding one cube at a time.
  • Add remaining 1/4 cup of milk and strawberry puree and blend on medium speed until butter is mixed in.
  • Add the egg white/milk/vanilla mixture a little at a time (divide it into about 3 additions), mixing well at medium speed for about 20 seconds after each addition. (Batter should be smooth, but don’t over mix!)
  • Fill liners with batter. Each liner should be a little over half full.
  • Bake about 16-18 minutes, rotating position of pans halfway through, or until a toothpick inserted in center of cupcake comes out clean.
  • Allow to cool in pans for about 10 minutes.
  • Remove cupcakes from pans and set on wire rack to cool completely.

For the whipped buttercream

  • In the bowl of an electric mixer, beat butter on medium speed for 8 minutes. Butter will become very pale and creamy.
  • Add powdered sugar, a little at a time, mixing after each addition.
  • Add vanilla extract and strawberry puree, mix on low until combined. Then turn mixer up to medium and beat for 6 minutes. Frosting will become very light & fluffy.
  • You can add a little more powdered sugar or a little more pureed strawberries to thicken/thin the frosting if necessary. Be very careful about adding in too much strawberry puree, a little at a time is best.

To assemble cupcakes

  • Cut a small round piece out of the tops of each cooled cupcake and pour in 1 teaspoon of cooled strawberry rhubarb compote. Replace the cake piece and set cupcakes aside. (I use a cupcake corer to cut out the center of the cupcakes).
  • Top filled cupcakes with whipped strawberry buttercream. I like to use a large round frosting tip or 1M tip to pipe on the frosting.

Notes

To puree strawberries: place washed strawberries (with stems removed) in food processor and puree until smooth. You can also cook down the strawberries to thicken the puree. Read more details in the blog post.
Keyword fresh strawberry cupcakes, rhubarb compote cupcakes, strawberry buttercream cupcakes, strawberry rhubarb cupcakes