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Dramatic close-up of lemon poppy seed cookies on white parchment with white glaze drizzle bright lemon zest and fresh lemon wedges in luxury white marble kitchen
Areeba

Lemon Poppy Seed Cookies

Soft and buttery lemon poppy seed cookies made with fresh lemon zest, a hint of vanilla, and topped with a sweet lemon glaze. These cookies are bright, soft in the center, slightly crisp on the edges, and full of fresh citrus flavor.
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Prep Time 10 minutes
Cook Time 10 minutes
Total Time 20 minutes
Servings: 12 Cookies
Course: Snack
Cuisine: American
Method Notes

Method
 

For the Cookies
  1. 3/4 cup (150 g) granulated sugar
  2. 1 tablespoon lemon zest (from 1 large lemon)
  3. 1/4 cup (50 g) light brown sugar
  4. 1/2 cup (113 g) unsalted butter, room temperature
  5. 1 large egg, room temperature
  6. 1 teaspoon vanilla extract
  7. 2 cups (250 g) all-purpose flour (spooned & leveled)
  8. 1/2 teaspoon baking soda
  9. 1/2 teaspoon baking powder
  10. 1/2 teaspoon salt
  11. 1 tablespoon poppy seeds
For the Lemon Glaze
  1. 1 cup powdered sugar, sifted
  2. 4 tablespoons fresh lemon juice (or milk for milder flavor)
  3. Preheat oven to 350°F (175°C). Line two baking sheets with parchment paper.
  4. Rub lemon zest into granulated sugar using your fingertips for 20 seconds to release oils.
  5. Add brown sugar and butter. Beat until light and fluffy (2–3 minutes).
  6. Mix in egg and vanilla until just combined.
  7. In a separate bowl, whisk flour, baking soda, baking powder, and salt.
  8. Add dry ingredients to wet ingredients and mix until just combined.
  9. Fold in poppy seeds gently.
  10. Scoop dough into 12 equal balls and place on baking sheet.
  11. Bake for 9–10 minutes until edges are set but centers look soft.
  12. Cool on tray for 15 minutes, then transfer to wire rack.
  13. Mix glaze ingredients until smooth and drizzle over cooled cookies.

Notes

  • This dough tastes best when you don’t rush it especially the lemon zest + sugar step, which builds the real flavor.
  • The cookies will look a little soft and underbaked when you take them out, but they continue setting on the baking sheet as they cool. Don’t overbake them.
  • Always use room-temperature butter and egg for the smoothest dough and even texture.
  • If your cookies are not spreading enough, it’s usually because too much flour was added  spoon and level is key.
  • For a stronger lemon flavor, you can add a small splash of lemon extract, but the zest alone already gives a natural citrus taste.
  • Let the cookies cool completely before glazing, otherwise the glaze will melt and lose its clean finish.
  • These cookies actually taste even better the next day once the flavors settle together.