Raspberry and lemon are one of my favorite flavor pairings, whether it be in a tall glass of cold raspberry lemonade or in a fabulous dessert. I’ve been wanting to create a lemon raspberry cupcake all summer long. My aim was to make a cupcake with just the right balance so neither flavor stole the show. The sweet-tart raspberry filling is the perfect compliment to the tender lemon cake. The cupcake is topped with a silky smooth Swiss meringue buttercream.

Though you could certainly make the frosting with one flavor or the other, I divided it in half and created a swirl of half raspberry, half lemon buttercream. Pretty little cakes are finished off with candied lemon slices and fresh raspberries. I imagine these would be welcome at just about any event, whether it be a backyard barbecue or a summer bridal shower. Remember, though the cake, filling and frosting may seem involved, you can tackle the process in steps over a couple of days rather than doing it all at once. It’s worth it!

Lemon Raspberry Cupcakes
By Annie
Makes about 2 dozen cupcakes

Ingredients:

For the cupcakes:
1 3/4 cups (8 ounces) all-purpose flour
1 teaspoon baking powder
1/2 teaspoon baking soda
1/2 teaspoon salt
1 1/4 cups (8 ounces) sugar
Zest of 1 large lemon
1 cup (2 sticks) unsalted butter, at room temperature
3 large eggs, at room temperature
1/2 cup sour cream
1/4 cup milk
Juice of 1 large lemon

For the filling:

16 ounces raspberries (fresh or frozen and thawed)
1/4 cup sugar
1 tablespoon water
1 tablespoon cornstarch
Squeeze of lemon juice

For the frosting:
3 large egg whites
1/2 cup sugar
Pinch of salt
1 cup (2 sticks) unsalted butter, at room temperature
2-3 tablespoon fresh raspberry puree*
Zest of 1 lemon
Candied lemon slices, for garnish
Fresh raspberries, for garnish

Directions:

To make the cupcakes, preheat the oven to 350˚F. Line cupcake pans with paper liners. In a medium bowl, combine the flour, baking powder, baking soda and salt. Whisk to blend. In the bowl of an electric mixer, combine the sugar and lemon zest. Mix for about 1 minute on low speed to infuse the sugar with the lemon scent. The sugar should have the appearance of wet sand. Add in the butter and beat on medium-high speed until light and fluffy, about 2 minutes. Beat in the eggs one at a time, scraping down the bowl after each addition. In a liquid measuring cup, combine the sour cream, milk and lemon juice. Whisk to blend. With the mixer on low speed, add the dry ingredients in three additions, alternating with the wet ingredients, beginning and ending with the dry ingredients. Mix each addition just until incorporated.

Divide the batter between the prepared cupcake liners filling each about ¾-full. Bake, rotating the pans halfway through baking, 18-20 minutes or until a toothpick inserted in the center comes out clean. Let cool in the pan briefly, then transfer to a wire rack to cool completely before proceeding.

To make the filling, combine the raspberries and sugar in a medium saucepan over medium heat, stirring occasionally. In a small bowl, combine the water and cornstarch and whisk until smooth. Once the berries and their juices begin to bubble, stir in the cornstarch mixture. Bring to a boil and let boil until slightly thickened, about 1-2 minutes more. Remove from the heat and stir in the lemon juice. If desired, strain through a fine mesh sieve to remove the raspberry seeds (optional). Once the filling is cool, use the cone method to fill the cupcakes with about 2 teaspoons of filling each.

To make the frosting, combine the egg whites, sugar and salt in a heatproof bowl set over a pot of simmering water. Heat, whisking frequently, until the mixture reaches 160° F on a candy thermometer and the sugar has dissolved. Transfer the mixture to the bowl of a stand mixer fitted with the whisk attachment. Beat on medium-high speed until stiff peaks form and the mixture has cooled to room temperature, about 8 minutes. Reduce the speed to medium and add the butter, 2 tablespoons at a time, adding more once each addition has been incorporated. If the frosting looks soupy or curdled, continue to beat on medium-high speed until thick and smooth again, about 3-5 minutes more (don’t worry, it will come together! This can sometimes take a very long time.)

Divide the finished frosting into two separate bowls. To one of the bowls, add the fresh raspberry puree and mix to incorporate. To the other, mix in the lemon zest. Fit a pastry bag with a large decorative tip (I used a large, unlabeled closed star tip.) Fill one side of the pastry bag with the raspberry frosting, and then fill in the other side with the lemon frosting (this does not need to be exact – just enough so that both colors are included.) Pipe a test streak until you see both colors coming out of the tip. Frost cupcakes as desired, refilling the pastry bag in the same manner as needed. Garnish the finished cupcakes with candied lemon slices and/or fresh raspberries, if desired.

*To make raspberry puree, simply add fresh or frozen raspberries to a blender or food processor and blend until smooth. Strain to remove the seeds. From 6 ounces of fresh berries, you will get about ½ cup of puree.

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One thought on “Lemon Raspberry Cupcakes

  1. Annette said:

    Those are adorable!! Where can I buy those cupcake liners! They really set the the cupcakes off perfectly!!

    Please, please, please let me know!!

    Annette ^_~

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