Go Back
Slice of lemon blueberry cake with fresh blueberries and lemon zest on top

Lemon Blueberry Cake

A delightful cake that blends the tartness of lemon with the sweetness of blueberries, perfect for any occasion.
Prep Time 20 minutes
Cook Time 40 minutes
Total Time 1 hour
Course Dessert, Snack
Cuisine American
Servings 12 slices
Calories 365 kcal

Ingredients
  

Cake Ingredients

  • 1/2 cup unsalted butter, softened provides richness
  • 1 and 1/4 cups granulated sugar sweetens the cake
  • 1/2 cup light brown sugar, packed adds moisture and depth
  • 6 tablespoons vegetable oil or canola oil, or avocado oil, enhances moisture
  • 4 large eggs, at room temperature binds ingredients
  • 1 tablespoon pure vanilla extract adds flavor
  • 3 cups all-purpose flour provides structure
  • 2 teaspoons baking powder aids in rising
  • 1/2 teaspoon baking soda helps with leavening
  • 1/2 teaspoon salt balances sweetness
  • 3/4 cup buttermilk, at room temperature adds moisture and tang
  • 2 tablespoons lemon zest introduces freshness
  • 1/2 cup lemon juice (from 3–4 lemons), at room temperature provides tartness
  • 1 and 1/2 cups fresh blueberries adds flavor and sweetness
  • 1 tablespoon all-purpose flour for blueberries, helps prevent sinking

Frosting Ingredients

  • 8 ounces full-fat brick cream cheese, softened for creamy frosting
  • 1/2 cup unsalted butter, softened for rich frosting texture
  • 3 and 1/2 cups confectioners’ sugar sweetens and thickens frosting
  • 1 tablespoon heavy cream for texture
  • 1 teaspoon pure vanilla extract for frosting flavor
  • Pinch of salt for frosting balance

Instructions
 

Preparation

  • Preheat your oven to the appropriate setting.
  • In a large mixing bowl, combine the softened unsalted butter with the granulated and brown sugars. Blend until the mixture is light and fluffy.
  • Add in the vegetable oil, eggs, and pure vanilla extract to the sugar mixture. Mix thoroughly.
  • In a separate bowl, whisk together the all-purpose flour, baking powder, baking soda, and salt.
  • Gradually add the dry mixture to the wet ingredients, alternating with the buttermilk.
  • Gently fold in the lemon zest and lemon juice into the batter.
  • In a small bowl, toss the fresh blueberries with 1 tablespoon of all-purpose flour.
  • Carefully fold the blueberries into the batter.
  • Pour the batter into a greased 9×13-inch cake pan.

Baking

  • Place the cake in the preheated oven and bake until it’s light golden brown.
  • Remove it from the oven and allow it to cool in the pan for a few minutes before transferring to a wire rack.

Frosting

  • In another bowl, combine the softened cream cheese, unsalted butter, and confectioners’ sugar. Mix until smooth.
  • Add the heavy cream, pure vanilla extract, and a pinch of salt to the frosting mixture. Beat until well combined.
  • Once the cake is completely cooled, spread the frosting generously over the top.

Serving

  • Slice the cake into squares and enjoy!

Notes

For best results, ensure all ingredients are at room temperature and avoid overmixing the batter.
Keyword Blueberry Dessert, Dessert Recipe, Easy Baking, Homemade Cake, Lemon Blueberry Cake