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blueberry chocolate cake with slice cut out on a cake server

Blueberry Chocolate Cake

Hakima
This Blueberry Chocolate Cake is rich and moist and topped with a delicious blueberry cream cheese frosting that is so light and pairs perfectly with the decadent chocolate cake.
5 from 3 votes
Prep Time 10 minutes
Cook Time 30 minutes
Total Time 40 minutes
Course Dessert
Cuisine American
Servings 12

Equipment

  • 1 round 8 inch cake pan

Ingredients
 

Chocolate Cake

  • 1 cup (120g) all purpose flour
  • cup (33g) Dutch Process Cocoa powder
  • ½ cup (100g) granulated sugar
  • ½ cup (100g) brown sugar
  • 1 teaspoon espresso powder (or instant espresso powder)
  • 1 teaspoon baking soda
  • ½ teaspoon baking powder
  • ½ teaspoon salt
  • 1 large eggs room temperature
  • ½ teaspoon vanilla extract
  • ¼ cup neutral oil vegetable, canola, or light olive oil
  • ½ cup Buttermilk room temperature
  • ½ cup hot coffee

Blueberry Jam

  • 1 cup frozen blueberries You could use fresh too
  • 1 tablespoon granulated sugar
  • 1 teaspoon cornstarch
  • ¾ teaspoon lemon juice
  • zest of one lemon

Blueberry Cream Cheese Frosting

  • 6 oz. cream cheese, cold block, full fat
  • 4 tablespoon unsalted butter room temperature
  • ¼ teaspoon salt
  • cups powdered sugar
  • ¼ cup blueberry jam

Instructions
 

Chocolate Cupcakes

  • Prep: Pre-heat the oven to 350°.
    Grease an 8 inch round cake pan and line with parchment paper.
  • Dry Ingredients: In a bowl, add flour, cocoa powder, baking soda, baking powder, salt, espresso powder, granulated sugar, and brown sugar, and whisk and set aside.
    1 cup (120g) all purpose flour, ⅓ cup (33g) Dutch Process Cocoa powder, ½ cup (100g) granulated sugar, ½ cup (100g) brown sugar, 1 tsp espresso powder, 1 tsp baking soda, ½ tsp baking powder, ½ tsp salt
  • Wet Ingredients: In another bowl, add the eggs, vanilla extract, neutral oil, buttermilk, and mix until completely combined.
    Combine: Add the dry ingredients and then mix with a whisk until combined. The mixture will be a little thick.
    1 large eggs, ½ tsp vanilla extract, ¼ cup neutral oil, ½ cup Buttermilk
  • Add coffee: Slowly add the hot coffee until completely mixed together and smooth.
    ½ cup hot coffee
  • Bake: Pour the batter into prepared pan and bake for 30-35 minutes until a toothpick inserted comes out clean.
  • Let cool before frosting.

Blueberry Jam

  • In a medium sauce pan, add blueberries, sugar, cornstarch, lemon juice, and lemon zest and place on medium heat. Cook the blueberries, stirring frequently, for about 4-5 minutes until soft and the juices are thickening.
    1 cup frozen blueberries , 1 tbsp granulated sugar, 1 tsp cornstarch, ¾ tsp lemon juice, zest of one lemon
  • Once the blueberries are soft, remove from heat and start mashing them up. I used the end of a meat mallet, but you could use a potato masher, or even just a fork or spoon. If you have large chunks left, that's ok, as long as most are pretty mashed (not pulverized; we still want texture).
  • Once mashed, place back on heat and stir for about 30 seconds more, then remove and place in a heatproof bowl and let come to room temperature before using.

Blueberry Cream Cheese Frosting

  • In a medium bowl, beat together the cold cream cheese and butter and salt until combined and smooth, for about 3 minutes. Add the powdered sugar ½ cup at a time until each addition is incorporated. Once all incorporated and smooth, add the blueberry jam and beat until completely combined.
    Refrigerate for about 15-20 minutes before frosting the cake.
    6 oz. cream cheese, cold, 4 tbsp unsalted butter, ¼ tsp salt, 1½ cups powdered sugar, ¼ cup blueberry jam

Assembly

  • Place cake layer on serving platter and add the frosting and smooth all over. Then dollop a few tablespoons of blueberry jam on the frosting and swirl it around using a butter knife. Top with fresh blueberries and enjoy.
  • Store any leftovers covered in the fridge for about 3-5 days. When ready to eat, let sit out at room temperature for 20-30 minutes.
Keyword blueberry chocolate cake, blueberry jam, chocolate cake, homemade blueberry jam, one layer chocolate cake, single layer cake
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