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Lemon Blueberry Sheet Cake 2026 02 20 231531 800x800 1

Lemon Blueberry Sheet Cake


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  • Author: chef-ava
  • Total Time: 50 minutes
  • Yield: 12 servings 1x
  • Diet: Vegetarian

Description

A bright, elegant sheet cake combining silky lemon batter and plump blueberries, topped with a glossy lemon glaze.


Ingredients

Scale
  • 2 1/4 cups (280 g) all-purpose flour, spooned and leveled
  • 1 1/2 cups (300 g) granulated sugar
  • 2 tsp baking powder
  • 1/2 tsp baking soda
  • 1/2 tsp fine sea salt
  • 3/4 cup (170 g) unsalted butter, room temperature
  • 3 large eggs, room temperature
  • 1 cup (240 ml) buttermilk, room temperature
  • Zest of 2 lemons, finely grated
  • 2 tbsp fresh lemon juice
  • 1 1/2 cups (220 g) fresh blueberries
  • 1 tbsp granulated sugar (to macerate berries if extra tart)
  • 2 cups (240 g) powdered sugar, sifted
  • 23 tbsp fresh lemon juice, strained
  • 12 tbsp milk or cream to adjust consistency
  • Extra lemon zest and fresh mint leaves for garnish (optional)

Instructions

  1. Preheat the oven to 350°F (175°C). Grease a 9×13-inch sheet pan and line with parchment.
  2. Whisk flour, baking powder, baking soda, and salt in a bowl until uniform.
  3. Cream butter and sugar until pale and aerated (about 3–4 minutes).
  4. Add eggs one at a time, mixing until incorporated. Stir in lemon zest and juice.
  5. Alternate adding dry mix and buttermilk, starting and ending with dry ingredients. Mix until just combined.
  6. Toss blueberries with 1 tsp flour to keep them suspended, then gently fold them into the batter.
  7. Spread the batter into the prepared pan and scatter reserved berries on top. Bake for 28–35 minutes.
  8. Cool in the pan for 15 minutes, then lift out using the parchment.
  9. For the glaze, whisk powdered sugar with lemon juice and milk to reach a pourable consistency. Drizzle over the cooled cake.
  10. Garnish with extra zest and mint, if desired.

Notes

Store in an airtight container for up to 5 days. Warm individual slices in the microwave or oven to refresh the texture.

  • Prep Time: 15 minutes
  • Cook Time: 35 minutes
  • Category: Dessert
  • Method: Baking
  • Cuisine: American

Nutrition

  • Serving Size: 1 slice
  • Calories: 320
  • Sugar: 18g
  • Sodium: 300mg
  • Fat: 15g
  • Saturated Fat: 9g
  • Unsaturated Fat: 6g
  • Trans Fat: 0g
  • Carbohydrates: 45g
  • Fiber: 1g
  • Protein: 4g
  • Cholesterol: 50mg