Blueberry cupcakes filled with zesty lemon curd: a bakery-worthy treat

Bright blueberries, zesty lemon curd and a pillowy mascarpone frosting come together in a chilled cupcake that feels like summer in every bite. These blueberry cupcakes filled with lemon curd are easy to make and even easier to devour. Follow the steps below to build a batch that chills beautifully and delivers a refreshing dessert for warm days.

What makes these blueberry lemon cupcakes a summer favorite

Light cake, a tangy center and a creamy topping create layers of texture and flavor. The lemon curd cuts through the sweetness. Fresh berries add bursts of juiciness. Chill them briefly and you get a dessert that rivals sorbet.

• Bright citrus taste: Lemon curd provides a fresh, tart contrast.
• Seasonal fruit: Blueberries stay juicy after baking.
• Silky frosting: Mascarpone plus whipped cream gives stability and richness.

Ingredients for cupcakes, curd and frosting (serves 12–14)

Organized lists make shopping faster. All measurements are in cups, tablespoons, ounces and pieces for easy scaling.

Lemon curd

• 1/2 cup (1 stick) unsalted butter
• 1/2 cup freshly squeezed lemon juice
• 1 tablespoon lemon zest
• 3/4 cup granulated sugar
• 1 tablespoon cornstarch
• Pinch of salt
• 6 large egg yolks

Cupcakes

• 1 cup plus 3 tablespoons all-purpose flour
• 1 teaspoon baking powder
• 1/2 teaspoon salt
• 1 1/2 cups fresh blueberries
• 1/4 cup Greek yogurt
• 1/4 cup milk
• 1 teaspoon vanilla extract
• 1 teaspoon lemon zest
• 1 stick unsalted butter, softened
• 3/4 cup granulated sugar
• 2 large eggs

Lemon mascarpone frosting

• 8 oz mascarpone cheese, softened
• 5 tablespoons lemon curd (reserved from batch)
• 1 cup heavy cream
• 1 teaspoon vanilla extract
• 1/2 cup powdered sugar

How to cook a silky lemon curd without curdling

1. Melt the butter in a small saucepan over medium-low heat until liquid.
2. Remove pan from heat and whisk in lemon juice and zest.
3. Add sugar, cornstarch and a pinch of salt. Whisk until smooth.
4. Temper the mixture by whisking in the egg yolks until fully combined.
5. Return to medium-low heat and stir constantly for about 10 minutes.
6. Stop stirring when the curd thickly coats the back of a spoon. Do not let it boil.
7. Reserve 5 tablespoons of curd for the frosting and set aside another 5 tablespoons for filling. Cool completely.

Tip: Constant whisking and low heat prevent lumps and scrambled eggs.

Step-by-step: Prepare and bake the blueberry cupcakes

1. Preheat the oven to 350°F (175°C). Line a 12–14 cup muffin tin with liners.
2. Whisk together Greek yogurt, milk, vanilla and lemon zest. Set aside.
3. In a bowl combine flour, baking powder and salt. Toss 1–2 tablespoons of that flour mix with the blueberries to coat them.
4. Cream the softened butter with 3/4 cup sugar until light and fluffy.
5. Add eggs one at a time, mixing after each addition until smooth.
6. Alternately add the flour mixture and the yogurt mixture, beginning and ending with flour. Mix gently.
7. Fold in the coated blueberries without overmixing.
8. Fill each liner about three-quarters full. Tap the pan to remove air pockets.
9. Bake 18–22 minutes, or until a toothpick comes out clean. Cool in the tin 10 minutes, then transfer to a rack.

Pro tip: Coating berries in a little flour prevents them from sinking.

Whip the mascarpone frosting and assemble the cupcakes

1. Beat the heavy cream until soft peaks form. Add powdered sugar and vanilla, then whip to stiff peaks.
2. Stir 1 tablespoon of whipped cream into each reserved 5-tablespoon portion of lemon curd to loosen it slightly.
3. Mix mascarpone with the 5 tablespoons of lemon curd that you set for the frosting until smooth.
4. Gently fold the mascarpone mixture into the whipped cream. If using a mixer, fold on the lowest speed.
5. Core each cooled cupcake using a corer or small knife. Save the tops for later.
6. Pipe or spoon about a tablespoon of lemon curd into each cavity, then replace the saved top.
7. Pipe the lemon-mascarpone frosting using a star tip for a classic look.
8. Finish with fresh blueberries, tiny lemon slices or yellow sprinkles for contrast.

Note: Chill the filled cupcakes briefly to firm the curd before frosting if needed.

Cooling, storage and serving advice for best results

• Refrigerate the cupcakes for an hour to let flavors meld and frosting set.
• Keep stored in an airtight container in the fridge for up to 3 days.
• Bring to room temperature for 10–15 minutes before serving for softer texture.
• Freeze unfilled cupcakes for up to one month. Thaw, fill and frost when ready to serve.

Similar Posts:

• Blueberry cheesecake crumb cake recipe you can’t resist
• Lemon coffee cake: zesty, buttery loaf that beats your morning muffin
• Irresistible Blueberry Cheesecake Cake: Try This Decadent Dessert Today!
• Lemon blueberry cheesecake: the creamy, zesty cake you need to try
• Blueberry cream cheese muffins: irresistible breakfast with creamy, gooey centers

Dr. Elise Monroe

Health advocate and wellness researcher, Dr. Monroe brings clarity to confusing health trends with science-backed advice. Her mission is to help readers live vibrantly, from the inside out.