Meet your new favorite dessert—Blueberry Lemon Whoopie Pies with White Chocolate Buttercream Frosting. These soft, cake-like cookies are bursting with fresh blueberries and zesty lemon, then sandwiched together with a creamy, indulgent filling. Bright, sweet, and slightly tangy, they’re the perfect treat for spring and summer entertaining.
A Fun Twist on a Classic Dessert
Traditionally, whoopie pies are made with chocolate cakes and marshmallow filling, but this version brings a fresh, fruity twist. The combination of juicy blueberries and tart lemon zest creates a flavor pairing that feels light and refreshing. Add in the rich sweetness of white chocolate buttercream, and you’ve got a dessert that’s as elegant as it is fun.
Two Ways to Serve
These blueberry lemon whoopie pies can be enjoyed two ways. For the classic look, sandwich the cookies together with a generous layer of frosting. Or, keep it simple by spreading the frosting on top of each cookie and serving them individually. Either way, a sprinkle of fresh lemon zest adds a beautiful finishing touch and a pop of citrus flavor.
Tips for Best Results
For the fluffiest texture, I recommend using either a stand mixer or hand mixer when making the batter and frosting. Chill the cookies before sandwiching to help the buttercream set and make them easier to handle. You can also get creative with presentation by dusting with powdered sugar, drizzling with white chocolate, or adding a few extra blueberries on top.
A Dessert That Stands Out
Whether you serve them at a brunch, bridal shower, birthday party, or just as a weekend baking project, these Blueberry Lemon Whoopie Pies are guaranteed to impress. They’re beautiful, delicious, and a refreshing change from classic cookies or cupcakes—making them a dessert you’ll want to bake again and again.
Tools Used To Make Blueberry Lemon Whoopie Pies:
- Figmint Cooling Rack (Target $6)
- Figmint Dessert Carrier (Target $20)
- Kitchen Aid 7 Speed Hand Mixer (Amazon $90)
- Piping Bag Set (Amazon $9.99)
How to Store Blueberry Lemon Whoopie Pies
- Room Temperature: Store frosted whoopie pies in a single layer in an airtight container for up to 1 day. Because of the frosting, avoid stacking without parchment paper between layers.
- Refrigerator: For longer storage, keep the whoopie pies in an airtight container in the fridge for up to 4 days. Allow them to sit at room temperature for 15–20 minutes before serving for the best texture.
- Freezer: Freeze unfrosted cookies in a freezer-safe container for up to 2 months. Thaw at room temperature, then frost with buttercream when ready to serve. You can also freeze assembled whoopie pies, but wrap each one tightly in plastic wrap to prevent freezer burn.
Troubleshooting Tips for Perfect Whoopie Pies
- Cookies Spread Too Much: If your batter feels too loose, chill it for 20–30 minutes before scooping onto baking sheets. This helps them keep their shape.
- Flat or Dense Cookies: Overmixing the batter can deflate it. Mix just until ingredients are combined for a light, fluffy texture.
- Runny Buttercream: If the frosting is too soft, add more powdered sugar a tablespoon at a time. If it’s still loose, chill the frosting for 10–15 minutes before piping.
- Frosting Melting or Sliding: Make sure cookies are completely cooled before assembling. Warm cookies will melt the buttercream.
- Cookies Sticking Together: Place parchment paper between stacked cookies or store them in a single layer to keep them neat.
Blueberry Lemon Whoopie Pies
Equipment
Ingredients
Blueberry Lemon Cookies
- 1 1/4 cups flour
- 1/2 tsp baking powder
- 1/4 tsp baking soda
- 1/4 tsp salt
- 1/2 cup granulated sugar
- 1/2 cup unsalted butter softened
- 1 tsp vanilla extract
- 2 tsp lemon zest
- 1/4 cup buttermilk
- 1/2 cup blueberries frozen or fresh
White Chocolate Buttercream
- 6 oz white chocolate chopped into fine pieces
- 1 cup unsalted butter softened
- 2 cups powdered sugar
- 1/2 tsp vanilla extract
- 1/4 tsp salt
- 2 tbsp heavy cream
Instructions
Blueberry Lemon Cookies
- Preheat oven to 350 °F (177 °C). Line baking sheet with parchment paper or a silicone mat. Set aside
- In a bowl, whisk together the flour, baking powder, baking soda, and salt. Set aside
- In the bowl, beat the butter and sugar until smooth with a hand mixer. Then beat in the egg, vanilla extract, and lemon zest. Beat until smooth.
- Add the flour mixture to the butter mixture, alternating with the buttermilk. Scrape down the sides of the bowl as necessary. Mix until just combined. Gently fold in the blueberries.
- Use a scoop to drop about 2 tablespoons of batter onto your prepared baking sheet about 2 inches apart. You should have 12 scoops on the baking sheet.
- Bake for 10-12 minutes or until the edges start to brown. Allow the "cake-cookies" to cool on the baking sheets for 1-2 minutes before transferring to a cooling rack.
White Chocolate Buttercream
- In a large bowl, whip softened butter with a hand mixer until smooth
- Finely chop white chocolate into pieces or place in food processor. Add to buttercream and combine
- Gradually add powdered sugar , scraping down the sides and bottom of the bowl periodically to ensure that all ingredients are well combined.
- With mixer on low-speed, gradually add heavy cream to frosting. Gradually increase speed to high and beat for 30-60 seconds or until desired consistency is reached
- Pipe or spread frosting onto prepared, cooled baked goods
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