Print
clock clock iconcutlery cutlery iconflag flag iconfolder folder iconinstagram instagram iconpinterest pinterest iconfacebook facebook iconprint print iconsquares squares iconheart heart iconheart solid heart solid icon
Lemon blueberry cake

Lemon Blueberry Cake with Mascarpone Frosting


  • Author: Clara Whisk
  • Total Time: 1 hour 30 minutes
  • Yield: 1 (8-inch) 3-layer cake (serves 12) 1x
  • Diet: Halal

Description

A soft, tender lemon cake bursting with juicy blueberries and layered with light, creamy mascarpone frosting. Perfect for spring, brunches, birthdays, or whenever you want a bright and cheerful dessert that’s as delicious as it is beautiful.


Ingredients

Scale
  • 2 cups (380g) granulated sugar

  • ½ cup (118ml) vegetable oil

  • 3 large eggs

  • Zest & juice of 2 lemons (about ¼ cup juice)

  • 1 tsp lemon or vanilla extract

  • ½ cup (118ml) light sour cream

  • 2½ cups (350g) all-purpose flour

  • 3 tsp (11.2g) baking powder

  • 1 tsp (5g) salt

  • 1 cup (236ml) buttermilk

  • 9 oz fresh blueberries, washed and dried

  • 2 tbsp (15.6g) all-purpose flour (for tossing berries)

Mascarpone Frosting:

  • 2¼ cups (532ml) heavy whipping cream

  • 1 cup (130g) powdered sugar

  • 1 tsp (5ml) vanilla extract

  • 16 oz mascarpone cheese, cold

  • 1 jar (10 oz) lemon curd


Instructions

  • Preheat oven to 350°F. Line three 8-inch pans with parchment and grease sides.

  • Beat sugar, oil, and eggs. Add lemon zest, juice, and sour cream.

  • In a separate bowl, mix flour, baking powder, and salt.

  • Alternate adding dry mix and buttermilk to wet ingredients.

  • Toss blueberries in flour and fold into the batter.

  • Divide into pans and top with extra berries.

  • Bake for 20–23 minutes. Cool completely.

  • Whip cream, add powdered sugar, vanilla, and mascarpone.

  • Layer cake with frosting and lemon curd. Decorate and chill.

Notes

  • Always use cold mascarpone for the best texture.

  • Don’t skip tossing the berries in flour to prevent sinking.

  • Let cake fully cool before frosting to avoid melting.

  • Prep Time: 25 minutes
  • Cook Time: 23 minutes
  • Category: Dessert
  • Method: Baking
  • Cuisine: American