I piled bright lemon cupcakes with swirls of blueberry frosting, and the color alone is enough to stop anyone mid-scroll. One bite reveals the secret that makes them unforgettable.

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I’m obsessed with these Lemon Blueberry Cupcakes because they hit that bright, juicy, slightly tangy spot I always crave. The cake is soft and lively from lemon zest, then those fresh blueberries burst in the middle like tiny pockets of jam.

And that blueberry frosting? Bold, pretty, and not shy at all.

I love how they look sitting on a cutting board, swirled high and messy in the best way. But the real reason I keep coming back is the balance.

Citrus bite, berry sweetness, tender crumb. No drama.

Just a cupcake I want to eat before dinner.

Ingredients

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Flour gives the cupcakes structure, so they’re soft but not flimsy.
Baking powder and soda help them rise into cute, fluffy tops.
Salt keeps the sweetness from getting too loud.
Tiny but important.
Butter makes the batter rich, tender, and bakery-level without trying too hard.
Sugar adds sweetness and helps those edges stay lightly golden.
Eggs hold everything together and make the crumb feel soft.
Vanilla brings cozy flavor that plays nicely with the lemon.
Lemon zest adds bright, fresh citrus that actually tastes like lemon.
Lemon juice gives the cupcakes a tangy little kick.
Buttermilk keeps them moist and adds a gentle tang.
Blueberries burst into juicy pockets, which is honestly the best part.
Flour-tossed berries don’t sink as much.
Basically, less cupcake sadness.
Powdered sugar makes the frosting smooth, sweet, and pipeable.
Blueberry puree gives the frosting color and real berry flavor.
Plus, cream or milk loosens the frosting when it’s acting too stiff.

Ingredient Quantities

All purpose flour 1 1/2 cups (190 g)

Baking powder 1 teaspoon

Baking soda 1/2 teaspoon

Salt 1/4 teaspoon

Unsalted butter 1/2 cup (113 g) softened for batter

Granulated sugar 1 cup (200 g)

Large eggs 2, room temperature

Vanilla extract 1 teaspoon

Lemon zest from 2 lemons

Fresh lemon juice 2 tablespoons

Buttermilk 1/2 cup (120 ml), room temperature

Fresh blueberries 1 cup (150 g), lightly tossed in 1 tablespoon flour

Unsalted butter 1 cup (226 g) softened for frosting

Powdered sugar 4 cups (480 g), sifted

Blueberries 1 cup (150 g), cooked and strained to yield about 1/3 cup puree for frosting

Lemon juice 1 to 2 tablespoons for frosting, to taste

Vanilla extract 1 teaspoon for frosting

Pinch of salt for frosting

Heavy cream or milk 1 to 2 tablespoons, if needed to thin frosting

How to Make this

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1. Preheat oven to 350°F (175°C) and line a 12 cup muffin tin with paper liners; whisk together 1 1/2 cups (190 g) all purpose flour, 1 teaspoon baking powder, 1/2 teaspoon baking soda, and 1/4 teaspoon salt in a bowl.

2. In a large bowl, cream 1/2 cup (113 g) softened unsalted butter with 1 cup (200 g) granulated sugar until light and fluffy, about 2 to 3 minutes; beat in 2 room temperature large eggs one at a time, then stir in 1 teaspoon vanilla extract, lemon zest from 2 lemons, and 2 tablespoons fresh lemon juice.

3. Alternate adding the dry ingredients and 1/2 cup (120 ml) room temperature buttermilk to the butter mixture, beginning and ending with the dry ingredients; mix until just combined and do not overmix.

4. Toss 1 cup (150 g) fresh blueberries in 1 tablespoon flour to coat, then gently fold them into the batter to distribute without breaking the berries.

5. Divide batter evenly among the prepared liners, filling each about two thirds full, and bake for 18 to 22 minutes or until a toothpick inserted in the center comes out clean. Remove from oven and cool in the pan 5 minutes, then transfer cupcakes to a wire rack to cool completely before frosting.

6. For the blueberry puree for frosting, place 1 cup (150 g) blueberries in a small saucepan with a tablespoon or two of water, cook over medium heat until berries break down, about 5 minutes, then strain through a fine mesh sieve and measure about 1/3 cup puree; chill until cool.

7. Make the frosting by beating 1 cup (226 g) softened unsalted butter until creamy, then gradually add 4 cups (480 g) sifted powdered sugar on low speed until incorporated. Add the cooled blueberry puree, 1 teaspoon vanilla extract, a pinch of salt, and 1 to 2 tablespoons fresh lemon juice to taste; beat until smooth and pale purple.

8. If the frosting is too stiff, add 1 to 2 tablespoons heavy cream or milk, a little at a time, until piping consistency is reached; if too thin, add a little more sifted powdered sugar.

9. Frost cooled cupcakes with a spatula or piping bag, garnish with a few fresh blueberries and a little extra lemon zest if desired, and store in an airtight container at room temperature for up to 2 days or refrigerated for up to 4 days.

Equipment Needed

1. 12-cup muffin tin with paper liners
2. Oven
3. Large mixing bowls (one for dry, one for wet)
4. Electric mixer or hand mixer
5. Measuring cups and spoons and a kitchen scale
6. Whisk and rubber spatula
7. Small saucepan and fine mesh sieve for the blueberry puree
8. Cooling rack
9. Piping bag with tip or an offset spatula for frosting

FAQ

Q: Can I substitute buttermilk? A: Yes. Use 1/2 cup milk plus 1/2 tablespoon white vinegar or lemon juice, let sit 5 minutes, or use plain yogurt thinned with a little milk to reach 1/2 cup.

Q: How do I keep blueberries from sinking to the bottom? A: Toss the berries lightly in flour as listed, fold them gently into the batter at the end, and avoid overmixing to maintain batter structure.

Q: How do I make the blueberry puree for the frosting? A: Cook 1 cup blueberries with a tablespoon of water over medium heat until burst, mash and strain through a fine sieve to remove skins and seeds, measure about 1/3 cup and cool before adding to frosting.

Q: How do I adjust the frosting thickness and color? A: Beat the butter well, then add powdered sugar and blueberry puree gradually. Add lemon juice to brighten flavor and 1 to 2 tablespoons of cream or milk if it is too thick. For a paler color, use less puree; for deeper color, reduce cream.

Q: What is the best way to store the cupcakes? A: Store unfrosted cupcakes at room temperature in an airtight container for up to 2 days. If frosted with blueberry buttercream, refrigerate in an airtight container for up to 4 days and bring to room temperature before serving.

Q: Can I freeze the cupcakes or frosting? A: Yes. Freeze unfrosted cooled cupcakes wrapped individually for up to 3 months. Freeze frosting in a sealed container for up to 2 months; thaw in the refrigerator and rewhip before using.

Lemon Blueberry Cupcakes Recipe Substitutions and Variations

All purpose flour: substitute 1) 1:1 gluten free flour blend (measure cup for cup, may need 1 to 2 tbsp extra liquid); 2) whole wheat pastry flour (use 1:1, yields denser crumb); 3) cake flour (use 1 1/4 cups cake flour for 1 1/2 cups AP, lighter texture).
Buttermilk: substitute 1) 1/2 cup milk plus 1/2 tbsp lemon juice or vinegar, let sit 5 minutes; 2) plain yogurt thinned with milk to pourable consistency, equal volume; 3) kefir, equal volume.
Unsalted butter (batter or frosting): substitute 1) salted butter, reduce added salt in recipe by 1/4 tsp; 2) neutral oil for batter (use 3/4 cup oil for 1/2 cup butter, moister crumb); 3) vegan butter or margarine (equal volume) for dairy-free option.
Powdered sugar (frosting): substitute 1) superfine granulated sugar ground in a blender to powder and sifted (use slightly less if denser); 2) confectioners sugar alternatives from specialty stores (measure cup for cup); 3) reduce amount and add extra butter plus a touch of cornstarch for structure if cutting sweetness.

Pro Tips

1. Gently fold the blueberries in at the very end and use a flexible spatula. Overmixing or stirring too vigorously will bruise the berries and turn the batter purple in streaks instead of keeping pretty whole berries inside each cupcake.

2. Keep ingredients at true room temperature. Room warm eggs and buttermilk help the creamed butter and sugar emulsify smoothly, giving you a lighter crumb and better rise. If butter seems too soft, chill for 5 to 10 minutes so it still holds some structure.

3. Cool cupcakes completely before frosting. Warm cake will melt the buttercream and give you a flat, greasy finish. While cooling, turn the cupcakes out of the tin onto a rack so steam escapes quickly and bottoms do not get soggy.

4. Adjust the frosting flavor and texture in small increments. Add lemon juice a teaspoon at a time to brighten the blueberry puree without thinning too fast, and thin with a teaspoon of cream or milk only if needed for piping. If frosting becomes too loose, chill briefly and then re-whip to firm it up.

Lemon Blueberry Cupcakes Recipe

Recipe by Samantha Dalling

0.0 from 0 votes

I piled bright lemon cupcakes with swirls of blueberry frosting, and the color alone is enough to stop anyone mid-scroll. One bite reveals the secret that makes them unforgettable.

Servings

servings

Calories

499

kcal

Equipment: 1. 12-cup muffin tin with paper liners
2. Oven
3. Large mixing bowls (one for dry, one for wet)
4. Electric mixer or hand mixer
5. Measuring cups and spoons and a kitchen scale
6. Whisk and rubber spatula
7. Small saucepan and fine mesh sieve for the blueberry puree
8. Cooling rack
9. Piping bag with tip or an offset spatula for frosting

Ingredients

All purpose flour 1 1/2 cups (190 g)
Baking powder 1 teaspoon
Baking soda 1/2 teaspoon
Salt 1/4 teaspoon
Unsalted butter 1/2 cup (113 g) softened for batter
Granulated sugar 1 cup (200 g)
Large eggs 2, room temperature
Vanilla extract 1 teaspoon
Lemon zest from 2 lemons
Fresh lemon juice 2 tablespoons
Buttermilk 1/2 cup (120 ml), room temperature
Fresh blueberries 1 cup (150 g), lightly tossed in 1 tablespoon flour
Unsalted butter 1 cup (226 g) softened for frosting
Powdered sugar 4 cups (480 g), sifted
Blueberries 1 cup (150 g), cooked and strained to yield about 1/3 cup puree for frosting
Lemon juice 1 to 2 tablespoons for frosting, to taste
Vanilla extract 1 teaspoon for frosting
Pinch of salt for frosting
Heavy cream or milk 1 to 2 tablespoons, if needed to thin frosting

Directions

Preheat oven to 350°F (175°C) and line a 12 cup muffin tin with paper liners; whisk together 1 1/2 cups (190 g) all purpose flour, 1 teaspoon baking powder, 1/2 teaspoon baking soda, and 1/4 teaspoon salt in a bowl.
In a large bowl, cream 1/2 cup (113 g) softened unsalted butter with 1 cup (200 g) granulated sugar until light and fluffy, about 2 to 3 minutes; beat in 2 room temperature large eggs one at a time, then stir in 1 teaspoon vanilla extract, lemon zest from 2 lemons, and 2 tablespoons fresh lemon juice.
Alternate adding the dry ingredients and 1/2 cup (120 ml) room temperature buttermilk to the butter mixture, beginning and ending with the dry ingredients; mix until just combined and do not overmix.
Toss 1 cup (150 g) fresh blueberries in 1 tablespoon flour to coat, then gently fold them into the batter to distribute without breaking the berries.
Divide batter evenly among the prepared liners, filling each about two thirds full, and bake for 18 to 22 minutes or until a toothpick inserted in the center comes out clean. Remove from oven and cool in the pan 5 minutes, then transfer cupcakes to a wire rack to cool completely before frosting.
For the blueberry puree for frosting, place 1 cup (150 g) blueberries in a small saucepan with a tablespoon or two of water, cook over medium heat until berries break down, about 5 minutes, then strain through a fine mesh sieve and measure about 1/3 cup puree; chill until cool.
Make the frosting by beating 1 cup (226 g) softened unsalted butter until creamy, then gradually add 4 cups (480 g) sifted powdered sugar on low speed until incorporated. Add the cooled blueberry puree, 1 teaspoon vanilla extract, a pinch of salt, and 1 to 2 tablespoons fresh lemon juice to taste; beat until smooth and pale purple.
If the frosting is too stiff, add 1 to 2 tablespoons heavy cream or milk, a little at a time, until piping consistency is reached; if too thin, add a little more sifted powdered sugar.
Frost cooled cupcakes with a spatula or piping bag, garnish with a few fresh blueberries and a little extra lemon zest if desired, and store in an airtight container at room temperature for up to 2 days or refrigerated for up to 4 days.

Notes

Below you’ll find my best estimate of this recipe’s nutrition facts. Treat the numbers as a guide rather than a rule—great food should nourish both body and spirit. Figures are approximate, and the website owner assumes no liability for any inaccuracies in this recipe.