Lemon Blueberry Cake with Mascarpone Frosting

This old-fashioned Lemon Blueberry Mascarpone Cake is soft, bright, and full of fresh berry flavor. It is made from scratch with lemon zest, fresh lemon juice, juicy blueberries, and a creamy mascarpone frosting, then finished with lemon curd and blueberry filling for a beautiful dessert that tastes as good as it looks.

Lemon blueberry mascarpone cake with lemon curd and blueberry compote.

Best Lemon Blueberry Mascarpone Cake Recipe

If spring had a signature dessert, this lemon blueberry mascarpone cake would be a strong contender. The cake is tender and moist, with a fresh lemon flavor that comes from both zest and juice. Fresh blueberries are folded into the batter, giving each slice little bursts of sweetness.

The mascarpone frosting is what makes this cake feel special. It is light, creamy, and smooth, with a texture somewhere between whipped cream and a soft cheesecake frosting. It is rich without being too heavy, and it pairs beautifully with the tart lemon curd and sweet blueberry topping.

This is a single-layer cake, which makes it easier than a stacked celebration cake but still impressive enough for brunch, birthdays, showers, holidays, or any warm-weather gathering. It is also a great choice when you want a homemade lemon blueberry cake that feels elegant without being complicated.

Side view of a sliced lemon blueberry mascarpone cake on a wire rack, showing blueberries and mascarpone topping.

What is lemon berry mascarpone cake?

Lemon berry mascarpone cake is a soft lemon cake filled with fresh blueberries and topped with a whipped mascarpone frosting. The flavor is fresh, fruity, creamy, and lightly tangy. It has the richness of a homemade cake, the berry flavor of blueberry muffins, and the smooth topping of a whipped cheesecake-style dessert.

The lemon keeps the cake bright, while the blueberries add sweetness and moisture. The mascarpone frosting gives the finished cake a bakery-style look and a luxurious texture without requiring complicated decorating skills.

Do lemon and mascarpone go together?

Yes, lemon and mascarpone are a wonderful pairing. Lemon brings tartness, brightness, and freshness, while mascarpone adds mild richness and a silky texture. Because mascarpone is less tangy than cream cheese, it lets the lemon flavor shine without overpowering the cake.

Together, lemon and mascarpone create a balanced dessert that tastes creamy, fresh, and elegant. This combination works especially well in cakes, frostings, tarts, and no-bake desserts.

Ingredients

Here is what you will need to make this easy lemon blueberry mascarpone cake from scratch. Full quantities are included in the recipe card below.

Overhead view of ingredients for lemon blueberry mascarpone cake, including flour, eggs, sugar, oil, blueberries, lemons, mascarpone, baking powder, baking soda, salt, and vanilla.
  • Granulated sugar adds sweetness and is rubbed with lemon zest to release the natural lemon oils.
  • Lemon zest and fresh lemon juice give the cake its bright citrus flavor. Zest the lemons before juicing them for the easiest prep.
  • Eggs help create structure and a soft crumb. Room-temperature eggs mix more smoothly into the batter.
  • Pure vanilla extract rounds out the lemon flavor and adds warmth to the cake and frosting.
  • Vegetable oil keeps the cake moist and tender.
  • Full-fat sour cream adds moisture, richness, and a soft texture.
  • Cake flour helps create a light, delicate crumb. Measure it carefully to avoid a dense cake.
  • Baking powder and baking soda give the cake lift.
  • Salt balances the sweetness and enhances the lemon and blueberry flavors.
  • Fresh blueberries are recommended because they add flavor without introducing too much extra moisture.
Ingredients for mascarpone frosting including mascarpone cheese, whipped cream, lemon curd, blueberry compote, vanilla extract, and powdered sugar.

The mascarpone frosting is simple but very effective. It is fluffy, creamy, and just sweet enough to complement the lemon blueberry cake.

  • Mascarpone cheese should be very cold before mixing so the frosting whips properly.
  • Heavy whipping cream should also be cold to help the frosting reach stiff peaks.
  • Vanilla extract adds depth and a gentle sweetness.
  • Powdered sugar sweetens and stabilizes the frosting.
  • Salt keeps the frosting balanced.
  • Toppings such as lemon curd, blueberry filling, fresh blueberries, and lemon slices make the cake extra flavorful and beautiful.
Close-up side angle of lemon blueberry mascarpone cake with golden cake base, blueberries, mascarpone frosting, and lemon curd.

Equipment

For this lemon berry mascarpone cake, use an 8-inch round cake pan or an 8-inch springform pan. You will also need mixing bowls, a whisk or electric mixer, a rubber spatula, parchment paper, and a wire rack for cooling.

A stand mixer with the whisk attachment works well for the mascarpone frosting, but a hand mixer can also be used. The most important thing is to keep the mascarpone and heavy cream very cold so the frosting becomes thick, smooth, and fluffy.

Instructions

These step-by-step photos show the basic process for making lemon blueberry mascarpone cake from scratch.

Pressing sugar into lemon zest for lemon blueberry mascarpone cake.

Rub the lemon zest into the sugar in a large bowl until the mixture turns pale yellow and fragrant. This step releases the lemon oils and gives the cake a stronger citrus flavor.

Adding eggs and vanilla to lemon blueberry mascarpone cake batter.

Add the eggs, followed by the vanilla, and whisk until the mixture is smooth and slightly thickened.

Adding wet ingredients to lemon blueberry mascarpone cake batter.

Mix in the vegetable oil, then add the sour cream and fresh lemon juice. Stir until the batter is smooth.

Whisking flour and dry ingredients for lemon blueberry mascarpone cake.

In a separate bowl, whisk together the cake flour, baking powder, baking soda, and salt. Toss the blueberries in the dry mixture to help keep them from sinking.

Blueberry cake batter poured into a parchment-lined cake pan.

Gently fold the dry ingredients and blueberries into the wet ingredients until just combined. Pour the batter into the prepared pan and bake until a toothpick inserted in the center comes out clean.

Electric mixer blending mascarpone cheese and powdered sugar for frosting.

Once the cake is completely cool, make the frosting by whipping cold mascarpone with powdered sugar, vanilla, and a pinch of salt.

Stiff peaks on mixer beaters after whipping mascarpone and cream.

Add the cold heavy cream and continue whipping until the frosting reaches stiff peaks.

Finished lemon blueberry mascarpone cake with lemon curd, blueberry filling, blueberries, and lemon slices.

Spread the mascarpone frosting over the cooled cake. Swirl lemon curd and blueberry filling on top, then garnish with fresh blueberries and lemon slices if desired.

Hint: Make sure the cake is fully cooled before frosting. If the cake is even slightly warm, the mascarpone frosting can soften or melt.

Can I make this cake ahead of time?

Yes. The cake layer can be baked one or two days in advance. Wrap it tightly without frosting and keep it refrigerated. The mascarpone frosting can also be made ahead and stored chilled. Before spreading it over the cake, give it a brief re-whip to restore its fluffy texture.

Storage

Once frosted, store the lemon blueberry mascarpone cake in an airtight container in the refrigerator. For the best texture, let the cake sit at room temperature for 20 to 30 minutes before slicing. Freezing has not been tested for this cake, so freezing and thawing results are not guaranteed.

Whole lemon blueberry mascarpone cake topped with mascarpone cream, lemon curd, blueberry compote, and lemon slices.

Frequently Asked Questions

Do blueberry and lemon go together?

Absolutely. Tart lemon and sweet blueberries balance each other beautifully. The lemon adds brightness, while the blueberries add juicy sweetness, making this a classic flavor combination for spring and summer desserts.

Why is mascarpone used in cake?

Mascarpone is creamy, smooth, and mild in flavor. When whipped with powdered sugar and heavy cream, it creates a rich but airy frosting that is less tangy than cream cheese frosting and not overly sweet.

Can I put blueberries in lemon cake mix?

Yes. For a shortcut version, fresh blueberries can be folded into lemon cake mix batter before baking. Tossing the blueberries with a little flour first can help reduce sinking.

Can I make this lemon berry mascarpone cake with raspberries or blackberries?

Yes. Raspberries or blackberries can be used in place of blueberries. The flavor will be slightly different, but both berries pair well with lemon and mascarpone.

Can you mix mascarpone and lemon?

Yes. Mascarpone and lemon work very well together. The creamy, mild mascarpone balances the tart lemon flavor, and lemon curd swirled into the frosting adds even more brightness.

Top Tip

Toss the blueberries in the dry ingredients before folding them into the batter. This helps keep them suspended throughout the cake instead of sinking to the bottom. If they still sink, the cake will still taste delicious.

Related

Looking for more dessert ideas? Try these recipes:

  • Pineapple Upside Down Cake in Cast Iron Skillet
  • Smoothie Recipes Without Yogurt
  • White Forest Cake
  • Skillet Blueberry Cobbler with Smoked Sugar

Pairing

This lemon blueberry mascarpone cake is a lovely dessert after brunch, lunch, or a light dinner. It pairs well with simple savory dishes because the cake is bright, creamy, and fruit-forward.

  • Shrimp Macaroni Salad With Cajun Spices
  • Pressure Cooker Ham Braised in Beer
  • Maple Dijon Salmon
  • Sheet Pan Chicken Thighs and Veggies

Recipe

Full lemon blueberry mascarpone cake on a metal rack, topped with mascarpone cream, blueberries, and lemon slices.

Lemon Blueberry Mascarpone Cake with Frosting Recipe

A homemade lemon blueberry mascarpone cake with a moist lemon crumb, fresh blueberries, fluffy mascarpone frosting, lemon curd, and blueberry topping.

Prep Time: 20 minutes

Cook Time: 35 minutes

Total Time: 55 minutes

Course: Dessert

Cuisine: American

Servings: 12

Calories: 439 kcal

Equipment you may need

  • Measuring cups and spoons
  • Mixing bowls
  • Whisk
  • Rubber spatula
  • Parchment paper
  • Food scale
  • Stand mixer or hand mixer
  • 8-inch round cake pan

Ingredients

  • 1 cup (200 g) granulated sugar
  • 2 tablespoons (12 g) lemon zest, from 1 or 2 large lemons
  • 2 large eggs, room temperature
  • 1 teaspoon (5 ml) pure vanilla extract
  • 5 tablespoons (74 ml) vegetable oil
  • ½ cup (115 g) full-fat sour cream, room temperature
  • 2 tablespoons (30 ml) fresh lemon juice
  • 1 ⅔ cups (208 g) cake flour
  • 1 ¼ teaspoons (5 g) baking powder
  • ¼ teaspoon (1 g) baking soda
  • ½ teaspoon (3 g) salt
  • 1 ½ cups (222 g) fresh blueberries, washed

Mascarpone Frosting

  • 12 oz (340 g) mascarpone cheese, very cold
  • 2 teaspoons (10 ml) pure vanilla extract
  • 1 ¼ cups (150 g) powdered sugar
  • Pinch of salt
  • 1 ½ cups (355 ml) heavy whipping cream, very cold
  • Lemon curd, blueberry filling, fresh blueberries, and fresh lemon slices for topping

Instructions

  1. Preheat the oven to 350°F (180°C). Spray an 8-inch round cake pan with baking spray with flour, then line the bottom with parchment paper.
  2. In a large mixing bowl, combine the lemon zest and sugar. Press them together with a spatula or wooden spoon until the mixture is fragrant and well combined.
  3. Add the eggs, oil, and vanilla. Whisk well until the mixture is smooth and slightly thickened. Add the lemon juice and sour cream, then mix again until smooth.
  4. In a separate bowl, whisk together the cake flour, baking powder, baking soda, and salt. Add the blueberries and toss until they are coated in the flour mixture.
  5. Gradually fold the dry ingredients into the wet ingredients until just barely combined. Do not overmix.
  6. Pour the batter into the prepared pan. Bake for 35 minutes, or until a toothpick inserted into the center of the cake comes out clean.
  7. Let the cake cool completely on a wire rack before frosting.

Mascarpone Frosting

  1. In a large bowl with a hand mixer, or in the bowl of a stand mixer, whip the cold mascarpone cheese with powdered sugar, a pinch of salt, and vanilla until smooth.
  2. Add the cold heavy whipping cream and whip until the frosting reaches stiff peaks.
  3. Spread the frosting over the cooled cake. Swirl lemon curd and blueberry filling over the top, then finish with fresh blueberries and lemon slices if desired.

Notes

Toppings: Lemon curd and blueberry filling add extra flavor and color to the mascarpone frosting. Store-bought lemon curd and blueberry jam can also be used.

If your blueberries sink: Coating the blueberries in the flour mixture helps prevent sinking. If they settle toward the bottom, the cake will still taste good.

Tools: An 8-inch round cake pan or springform pan works well. Use parchment paper on the bottom of the pan to help release the cake cleanly.

Storage: Store the frosted cake in an airtight container in the refrigerator. Let it sit out for 20 to 30 minutes before serving for the best texture.

Nutrition

Serving: 1 piece | Calories: 439 kcal | Carbohydrates: 44 g | Protein: 6 g | Fat: 27 g | Saturated Fat: 16 g | Cholesterol: 99 mg | Sodium: 203 mg | Potassium: 75 mg | Fiber: 1 g | Sugar: 30 g | Vitamin A: 940 IU | Vitamin C: 3 mg | Calcium: 103 mg | Iron: 0.4 mg

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