This recipe captures the dreamy combination of sweet blueberries and smooth cream cheese frosting, layered over soft cake. Perfect for birthdays, gatherings, or just treating yourself.
COPYCAT MAGNOLIA BAKERY’S BLUEBERRY JAMBOREE RECIPE
Prep Time:
25 minutes
Cook Time:
25–30 minutes
Chill Time:
2–4 hours
Total Time:
3 hours
Servings:
12 slices
Why You’ll Love This Recipe
Moist, tender cake with perfect crumb.
Fresh blueberry filling with real fruit flavor.
Cream cheese frosting that’s tangy and sweet.
Elegant layered dessert without overly complex baking.
This dessert looks bakery-worthy but is surprisingly approachable for home bakers.
Ingredients
For the Cake Layers:
- 2 ½ cups all-purpose flour
- 2 ½ teaspoons baking powder
- ½ teaspoon salt
- 1 cup unsalted butter, room temperature
- 2 cups granulated sugar
- 4 large eggs, room temperature
- 1 tablespoon vanilla extract
- 1 cup whole milk
- ½ cup sour cream
For the Blueberry Filling:
- 4 cups fresh or frozen blueberries
- ½ cup granulated sugar
- 1 tablespoon lemon juice
- 2 teaspoons cornstarch
- 2 tablespoons cold water
For the Cream Cheese Frosting:
- 16 oz (2 packages) cream cheese, softened
- 1 cup unsalted butter, softened
- 4 cups powdered sugar, sifted
- 2 teaspoons vanilla extract
Garnish (Optional):
- Fresh blueberries
- Lemon zest
- Mint leaves
Step-by-Step Instructions
Step 1: Bake the Cake Layers
- Preheat oven to 350°F (175°C).
- Grease and flour two 9-inch round cake pans, then line bottoms with parchment paper.
- In a medium bowl, whisk together flour, baking powder, and salt.
- In a large mixing bowl, beat butter and sugar until light and fluffy (about 3–4 minutes).
- Add eggs, one at a time, beating well after each addition. Stir in vanilla extract.
- Alternate adding dry ingredients and milk/sour cream in three parts, starting and ending with dry ingredients. Mix gently until combined.
- Divide batter evenly between cake pans and smooth tops.
- Bake for 25–30 minutes, or until a toothpick inserted in the center comes out clean.
- Cool in pans for 10 minutes, then transfer to wire racks to cool completely.
Step 2: Make the Blueberry Filling
- In a medium saucepan, combine blueberries, sugar, and lemon juice. Cook over medium heat until blueberries release juices, about 5–7 minutes.
- In a small bowl, mix cornstarch and cold water until smooth.
- Add cornstarch mixture to blueberries, stirring constantly. Cook until filling thickens, about 2–3 minutes.
- Remove from heat and let cool completely before layering.
Step 3: Make the Cream Cheese Frosting
- In a large bowl, beat cream cheese and butter together until smooth.
- Gradually add powdered sugar, one cup at a time, mixing until fluffy.
- Add vanilla extract and beat until well combined.
Step 4: Assemble the Blueberry Jamboree
- Place one cake layer on a serving plate or cake stand.
- Spread ½ of the blueberry filling evenly over the cake layer.
- Spread a layer of cream cheese frosting over the blueberry layer.
- Place the second cake layer on top.
- Spread frosting evenly over the top and sides of the cake.
- Spoon the remaining blueberry filling over the top layer, letting some drip down the sides for a rustic look.
Step 5: Garnish
Decorate with fresh blueberries, lemon zest, or mint leaves if desired.
Step 6: Chill & Serve
Refrigerate for 2–4 hours before slicing so layers set beautifully.
Serve chilled or at room temperature.
Serving Suggestions
- As a dessert after dinner with coffee or tea.
- At brunch, alongside fresh fruit and mimosas.
- For special occasions like birthdays or baby showers.
Storage Tips
- Refrigerate: Store in an airtight container for up to 4 days.
- Freeze: Wrap tightly in plastic wrap and freeze up to 2 months. Thaw in the fridge overnight before serving.
Expert Tips
- Cake layers: Bake a day in advance for easier assembly.
- Blueberry filling: Use fresh blueberries for the best texture; frozen works fine too.
- Frosting: Chill briefly before frosting for cleaner layers.
- Assembly: Use a cake turntable for a professional finish.
- Decorations: Add edible flowers for a Magnolia Bakery look.
Variations
- Mixed Berry Jamboree: Add raspberries and blackberries to blueberry filling.
- Lemon Blueberry Cake: Add lemon zest to cake batter and frosting.
- Chocolate Blueberry Cake: Add cocoa powder to cake batter for a chocolate twist.
- Mini Jamborees: Make cupcakes layered with blueberry filling and cream cheese frosting.
- Gluten-Free Version: Use gluten-free flour blend for cake layers.
Nutrition (Approximate per slice, based on 12 slices)
- Calories: 450
- Fat: 22 g
- Saturated Fat: 13 g
- Carbohydrates: 58 g
- Fiber: 2 g
- Protein: 5 g
- Sugar: 38 g
SEO Keywords
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Final Thoughts
This Copycat Magnolia Bakery Blueberry Jamboree is a showstopper — moist cake layers, tangy-sweet blueberry filling, and smooth cream cheese frosting. It’s perfect for impressing guests or indulging yourself.
It combines fresh blueberries, rich frosting, and tender cake into a layered masterpiece that tastes like a bakery treat but is made at home.