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Soft Lemon Blueberry Cookies

Soft Lemon Blueberry Cookies

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Indulge in the vibrant flavors of spring with these Soft Lemon Blueberry Cookies. Bursting with tangy lemon zest and sweet blueberry jam, these cookies are perfect for any occasion, from family gatherings to quiet evenings at home. With a soft texture and creamy blueberry buttercream frosting, they are sure to be a hit with both kids and adults alike. This easy-to-follow recipe requires simple ingredients and minimal prep time, making it an ideal choice for bakers of all skill levels. Treat yourself to these delightful cookies that truly capture the essence of sunny days!

Ingredients

Scale
  • 1 cup (226g) unsalted butter, softened
  • 1 1/4 cups (250g) granulated sugar
  • 2 Tbsp (12g) lemon zest (about 2 lemons)
  • 1 large egg (50g, without shell)
  • 1 large egg yolk (18g)
  • 3 Tbsp (45g) fresh lemon juice
  • 3 cups (362g) all-purpose flour
  • 2 Tbsp (16g) cornstarch
  • 3/4 tsp (3.6g) baking powder
  • 1/2 tsp (2.4g) baking soda
  • 1/2 tsp (3g) salt
  • 1 cup (226g) unsalted butter, softened (for frosting)
  • 4 cups (480g) powdered sugar
  • 35 Tbsp (15–30g) whole milk, as needed
  • 1 tsp (5g) vanilla extract
  • 1/4 cup (80g) blueberry jam

Instructions

  1. In a large bowl, cream together softened butter and granulated sugar until light and fluffy. Beat in lemon zest, egg, egg yolk, and fresh lemon juice until smooth.
  2. In another bowl, whisk together flour, cornstarch, baking powder, baking soda, and salt. Gradually add dry mixture to wet ingredients until a soft dough forms.
  3. Chill the dough in the refrigerator for 30 minutes.
  4. Preheat oven to 350°F (175°C) and line baking sheets with parchment paper.
  5. Scoop dough into balls and flatten slightly before placing on prepared sheets.
  6. Bake for 10–12 minutes or until edges are golden but centers remain soft.
  7. Cool on baking sheets for 5 minutes before transferring to wire racks.
  8. For the blueberry buttercream frosting, beat softened butter until creamy. Gradually add powdered sugar while mixing at low speed until well combined. Then mix in vanilla extract along with three tablespoons of milk; adjust with more milk if needed. Finally, stir in blueberry jam until fluffy.
  9. Once cooled completely, spread or pipe blueberry buttercream frosting onto each cookie.

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