Name: Blueberry Cupcakes with Blueberry Buttercream Recipe
Prep time: 15 min
Cook time: 23 min
Total time: 52 min
Cuisine: American
Ingredients: 210 g cake flour; 200 g granulated sugar; 1/2 tsp baking powder; 1/2 tsp baking soda; 1/2 tsp salt; 80 g butter; 240 g sour cream (room temperature); 2 large eggs (room temperature); 1 tbsp vegetable oil; 1 ½ tsp vanilla extract; 100 g fresh blueberries; 1 tsp cornstarch; 150 g butter (cool room temperature); 250 g powdered sugar; 2 tbsp smooth blueberry jam (strained if chunky); Fresh blueberries (for decoration)

Jump to Recipe· 4.1 from 14 reviews

If you are looking for a delightful bake that truly captures the essence of fresh fruit and sweet indulgence, the Blueberry Cupcakes with Blueberry Buttercream Recipe is an absolute must-try. These cupcakes boast a moist crumb bursting with juicy blueberries, perfectly complemented by a luscious, creamy blueberry buttercream that brings a vibrant pop of flavor and color. It’s like a sunny afternoon in your mouth, combining the best of soft cake, fruity tang, and sweet frosting in every bite.

Ingredients You'll Need

The image shows a close-up of a cupcake with three layers. The base is a soft yellow cake filled with visible dark blue and purple blueberries inside. On top of the cake is a thick layer of smooth, pink frosting piped in a swirl pattern. Three fresh blueberries rest on the peak of the frosting. The cupcake is placed on a white marbled surface, with more cupcakes and scattered blueberries blurred in the background. Photo taken with an iphone --ar 4:5 --v 7

Gathering simple yet quality ingredients is the secret to making these cupcakes taste extraordinary. Every component plays a special role, whether it’s the tender crumb from cake flour or the rich tang from sour cream, and of course, the star of the show—fresh blueberries that give both color and burst of flavor.

210 g cake flour: Provides a tender and delicate texture perfect for cupcakes.
200 g granulated sugar: Sweetens the batter while helping it brown beautifully.
½ teaspoon baking powder: Helps the cupcakes rise to a soft, fluffy perfection.
½ teaspoon baking soda: Adds a subtle lift and works with sour cream to balance acidity.
½ teaspoon salt: Enhances all the flavors, giving depth to the cake.
80 g butter: Coats the dry ingredients, creating a crumbly base that melts into richness.
240 g sour cream (room temperature): Brings moisture and slight tang that balances sweetness.
2 large eggs (room temperature): Bind the ingredients together and add extra richness.
1 tablespoon vegetable oil: Keeps the cupcakes moist and tender.
1 ½ teaspoon vanilla extract: Adds warmth and aromatic sweetness.
100 g fresh blueberries: Folded gently into the batter for juicy bursts throughout.
1 teaspoon cornstarch: Keeps blueberries from sinking and prevents them from bleeding too much.
150 g butter (cool room temperature): The base for our smooth, creamy blueberry buttercream.
250 g powdered sugar: Sweetens and lightens the frosting perfectly.
2 tablespoon smooth blueberry jam: Provides that unmistakable blueberry punch in the buttercream.
Fresh blueberries (for decoration): Adds a fresh, pretty finishing touch atop each cupcake.

How to Make Blueberry Cupcakes with Blueberry Buttercream Recipe

Step 1: Prepare the Oven and Cupcake Liners

Start by preheating your oven to 160ºC (320ºF) in conventional mode and line a 12-cup cupcake tray with liners. This simple prep sets the stage so your cupcakes bake evenly and come out effortlessly clean.

Step 2: Combine the Dry Ingredients

In a large bowl, mix together the cake flour, granulated sugar, baking powder, baking soda, and salt. Blending these basics first ensures your cupcakes will rise well and have a balanced sweetness and flavor.

Step 3: Cut Butter Into the Dry Mix

Add the 80 grams of butter to the bowl, then mix using a hand or stand mixer with paddle attachment until your mixture resembles sandy crumbs. This step is key for giving your cupcakes tender crumb and moisture retention.

Step 4: Whisk the Wet Ingredients

In another bowl, whisk the sour cream, eggs, and vanilla extract together until fully combined. This blend adds moisture and richness that makes your cupcakes ultra-soft and flavorful.

Step 5: Combine Wet and Dry Mixtures

Pour the wet mixture into the dry ingredients and mix until completely smooth. Make sure there are no lumps for the best texture, giving you a batter that bakes up light and tender.

Step 6: Fold in Blueberries

Toss the fresh blueberries with cornstarch to prevent them from sinking and staining the batter. Gently fold the blueberries into the batter so they remain intact, providing juicy pops of fruit in every bite.

Step 7: Bake the Cupcakes

Divide the batter evenly among the cupcake liners and bake for 22 to 23 minutes. After baking, cool the cupcakes in the pan for 5 minutes before transferring to a wire rack to cool completely. This prevents breaking and keeps the cupcakes moist.

Step 8: Make the Blueberry Buttercream

Sift the powdered sugar and set aside. Beat the cool butter for 4 minutes at medium-high speed until creamy, scraping down the sides before mixing for an additional 2 minutes. Gradually add powdered sugar and blueberry jam in two additions, whisking until fully combined and smooth.

Step 9: Frost and Decorate

Transfer the buttercream to a piping bag fitted with a star tip, then swirl it on the cooled cupcakes. Top each with fresh blueberries for a gorgeous and tasty finish ready to impress.

How to Serve Blueberry Cupcakes with Blueberry Buttercream Recipe

The image shows several yellow cupcakes with visible blueberries inside the cake layer, each topped with a thick swirl of smooth pink frosting. On top of the frosting, there are three fresh blueberries arranged neatly. The cupcakes sit on a round white plate placed on a white marbled surface. Scattered fresh blueberries can also be seen on the surface around the plate. The colors are soft and fresh, with the pink frosting and deep blue blueberries standing out against the pale yellow cake and white background. Photo taken with an iphone --ar 4:5 --v 7

Garnishes

Aside from fresh blueberries, consider a light dusting of powdered sugar or a sprinkle of edible flowers to add a whimsical touch. These simple additions enhance the presentation and make your cupcakes feel extra special when serving friends or family.

Side Dishes

Pair your Blueberry Cupcakes with Blueberry Buttercream Recipe alongside a cup of herbal tea, a rich coffee, or even a refreshing glass of lemonade. These beverages balance the sweetness and bring out the fruity notes wonderfully.

Creative Ways to Present

For a charming twist, serve the cupcakes in colorful wrappers or nestle them in a rustic basket lined with a pretty napkin. You could also create a blueberry-themed dessert table with bowls of fresh berries, jams, and complementary treats for guests to enjoy.

Make Ahead and Storage

Storing Leftovers

Once frosted, store your cupcakes in an airtight container at room temperature for up to two days to preserve freshness. If the room is warm, refrigerate but allow cupcakes to come to room temperature before serving to enjoy the buttercream fully.

Freezing

You can freeze unfrosted cupcakes wrapped tightly in plastic wrap and placed in a freezer-safe container for up to three months. For best results, frost after thawing. If you freeze frosted cupcakes, make sure they are well-covered and thaw in the fridge overnight.

Reheating

Warm cupcakes gently in a microwave for about 10-15 seconds to bring back softness, but be careful not to melt the buttercream. For an evenly warmed treat, let the cupcakes come to room temperature before serving.

FAQs

Can I use frozen blueberries instead of fresh?

Yes, but be sure to thaw and drain them completely. Toss them with cornstarch just like fresh berries to prevent excess moisture from making the batter soggy or discolored.

Is there a substitute for sour cream?

Greek yogurt or buttermilk works well in lieu of sour cream and maintains that moist, tender texture in the cupcakes.

How do I make the blueberry jam smooth for the buttercream?

If your blueberry jam has chunks, simply pass it through a fine mesh sieve or blend it briefly to create a smooth consistency, which helps the buttercream have an even texture.

Can I make the batter the night before?

It’s best to bake the cupcakes fresh for optimal rise and texture, but you can prepare the batter and refrigerate it overnight. Just give it a gentle stir before scooping and baking the next day.

What piping tip is best for frosting these cupcakes?

A star piping tip such as the Wilton 1M creates beautiful, classic swirls that show off the creamy blueberry buttercream perfectly.

Final Thoughts

I truly hope you give this Blueberry Cupcakes with Blueberry Buttercream Recipe a try because it is one of those little delights that makes baking feel rewarding and utterly joyous. The way the juicy blueberries shine within the soft cakes, crowned by that dreamy, smooth frosting, is nothing short of magical. Whether for a special occasion or a simple treat, these cupcakes will bring smiles and happy sighs all around!