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Lemon Blueberry Cookies


  • Author: Eliana
  • Total Time: 30 minutes
  • Yield: 18 cookies 1x

Description

Bright, zesty, and bursting with blueberries — these cookies are soft, chewy, and full of fresh flavor. Perfect for spring or summer treats!


Ingredients

Scale
  • 2½ cups (300 g) all-purpose flour

  • 1 tsp cornstarch

  • 1 tsp baking powder

  • ¼ tsp baking soda

  • ½ tsp salt

  • 1½ cups (300 g) granulated sugar

  • Zest of 3 small/medium lemons (or 2 large lemons)

  • 1 cup (226 g) unsalted butter, melted and slightly cooled

  • 1 large egg, room temperature

  • 1 large egg yolk, room temperature

  • 1 tsp (5 ml) vanilla extract

  • 1 cup (105 g) fresh blueberries (can use frozen)

  • ¼ cup (50 g) granulated sugar, for rolling (optional)


Instructions

1. Prep

  • Preheat oven to 375°F (190°C).

  • Line a large baking sheet with parchment paper.

  • Melt the butter and place it in the fridge to cool for about 10 minutes.

2. Mix Dry Ingredients

In a medium bowl, whisk together:

  • Flour

  • Cornstarch

  • Baking powder

  • Baking soda

  • Salt

Set aside.

3. Make the Lemon Sugar Base

In a large mixing bowl:

  • Add sugar and lemon zest.

  • Rub together with your fingers or a whisk until the mixture resembles wet sand — this releases the citrus oils for extra flavor!

  • Whisk in the cooled melted butter until smooth.

  • Add egg, egg yolk, and vanilla extract. Whisk until well combined.

4. Combine

  • Add the dry ingredients to the wet mixture and stir until just combined.

  • Gently fold in the blueberries, being careful not to overmix to avoid crushing them.

5. Scoop & Roll

  • Using a medium cookie scoop (about 2 tablespoons), scoop dough into balls.

  • Optional: Roll each dough ball in the extra granulated sugar for a sparkly finish.

  • Place them evenly spaced on the prepared baking sheet.

6. Bake

  • Bake for 10–13 minutes, or until edges are set and centers look just slightly underbaked (they will finish baking on the sheet).

7. Cool & Enjoy

 

  • Let cookies cool on the baking sheet for 5 minutes, then transfer to a wire rack to cool completely.

  • Prep Time: 15 minutes
  • Cook Time: 10 minutes