Lemon Cupcakes with Raspberry Buttercream

Name: Lemon Cupcakes with Raspberry Buttercream
Prep time: 25 min
Cook time: 18 min
Total time: 43 min
Yield: 1 dozen cupcakes
Ingredients: 1 1/2 cups + 2 tablespoons cake flour; 1 1/4 teaspoons baking powder; 1/4 teaspoon salt; 1/2 cup sour cream (I used full fat); 1/2 cup milk (I used whole); 2 large eggs, at room temperature; 1 stick (4 ounces) unsalted butter, melted; 1 cup granulated sugar; Zest of one lemon (about 3 teaspoons); 1 1/2 tablespoons fresh lemon juice; 1 1/4 cups frozen raspberries (I think fresh would also work just fine); 2 tablespoons lemon juice; 2 sticks (8 ounces) unsalted butter, very soft; 1/2 teaspoon salt; 3 1/2 cups confectioners sugar (more if needed), sifted; 1 tablespoon heavy cream (more if needed); 1/4 cup fresh raspberries, for decorating (optional)

User Reviews

3.8

18 reviews

Good

Prep Time
25 mins
Cook Time
25 mins
Total Time
43 mins
Servings
1 dozen cupcakes
Course
Dessert
Cuisine
International

Lemon Cupcakes with Raspberry Buttercream

Iris Warren

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Light and fluffy lemon cupcakes are topped with an incredible homemade raspberry buttercream! Everyone will love these impressive cupcakes.

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Ingredients

Servings

For the lemon cupcakes:

1 1/2 cups + 2 tablespoons cake flour
1 1/4 teaspoons baking powder
1/4 teaspoon salt
1/2 cup sour cream (I used full fat)
1/2 cup milk (I used whole)
2 large eggs, at room temperature
1 stick (4 ounces) unsalted butter, melted
1 cup granulated sugar
Zest of one lemon (about 3 teaspoons)
1 1/2 tablespoons fresh lemon juice

For the raspberry buttercream:

1 1/4 cups frozen raspberries (I think fresh would also work just fine)
2 tablespoons lemon juice
2 sticks (8 ounces) unsalted butter, very soft
1/2 teaspoon salt
3 1/2 cups confectioners sugar (more if needed), sifted
1 tablespoon heavy cream (more if needed)
1/4 cup fresh raspberries, for decorating (optional)

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Instructions

For the lemon cupcakes:

Preheat oven to 350 degrees (F). Line a 12 mold muffin tin with paper liners; lightly spray the paper liners with non-stick baking spray; set aside.
In a medium bowl combine flour, baking powder, and salt; mix well to combine; set aside.
In a large measuring cup or bowl combine sour cream, milk, and egg; mix well to combine; set aside.
In a small bowl combine the sugar and lemon zest; rub the lemon zest into the sugar until fragrant and well combined.
In a large bowl or stand mixer fitted with the paddle attachment beat the melted butter and lemon sugar on medium-speed until well combined; about 2 minutes. Add in the lemon juice and beat for another minute on medium-speed. Slowly add the flour mixture to the butter/sugar combination, beating until just combined. Add in sour cream/milk/egg combo and beat on low until *just combined. Over-mixing will result in a dryer/denser cake.
Divide the cupcake batter evenly into the 12 molds, then place the pan in the oven. Bake for 17-19 minutes, or until a toothpick inserted into the center of a cupcake comes out clean (or with just a few solid crumbs). Allow cupcakes to cool in the pan for a few minutes, then transfer them to a cooling wrack to cool completely. Once cool, frost with the raspberry buttercream and extra berries.

For the raspberry buttercream:

Combine the raspberries and lemon juice in a small saucepan; bring to a simmer over medium heat. Once simmering, stir the mixture occasionally, breaking up the berries with a wooden spoon, until the raspberries have become soft enough to mash effortlessly. It will look like raspberry jam. Once the mixture can coat a spoon (you should have about 1/4 cup of raspberry puree) remove from heat. Allow mixture to cool completely before using. <--- That part is SUPER important!

When ready to make buttercream:

Place the softened butter in a large bowl or in the body of a stand mixer. With a handheld mixer, or with the paddle attachment on your stand mixer, beat butter on medium-high (scraping down the sides as needed) until completely smooth; about 2 minutes. Add in the raspberry puree and beat until completely combined; about 1 minute (don't worry if the mixture looks weird at this point). Add in the confectioners sugar, one cup at a time, on low speed. Once all of the sugar has been added, add in the cream and salt, then beat on high-speed for a full 2 minutes - this thickens up the frosting and makes it nice and fluffy. Frost cooled cupcakes as desired.