These soft and buttery Blueberry Lemon Cookie Bars are bursting with juicy blueberries, bright lemon flavor, and finished with a sweet lemon glaze. They’re easy to make in one pan and perfect for brunch, afternoon snacks, summer gatherings, or dessert. Every bite is tender, fruity, and refreshing!
🛒 Ingredients
For the Cookie Bars
- 2 cups all-purpose flour
- 1 tsp baking powder
- ¼ tsp salt
- ½ cup unsalted butter, softened
- ¾ cup granulated sugar
- 1 large egg
- 1 tsp vanilla extract
- 2 tbsp fresh lemon juice
- 1 tbsp lemon zest
- 1½ cups fresh blueberries (or frozen, not thawed)
For the Lemon Glaze
- 1 cup powdered sugar
- 2–3 tbsp fresh lemon juice
- 1 tsp lemon zest
👩🍳 Instructions
Step 1: Prepare the Pan
- Preheat your oven to 350°F (175°C).
- Line an 8×8-inch baking pan with parchment paper.
Step 2: Mix Dry Ingredients
- In a bowl, whisk together the flour, baking powder, and salt.
- Set aside.
Step 3: Make the Batter
- In a large bowl, beat the softened butter and sugar until light and fluffy.
- Add the egg, vanilla extract, lemon juice, and lemon zest.
- Mix until smooth.
Step 4: Combine
- Gradually add the dry ingredients to the wet mixture.
- Stir just until combined.
- Gently fold in the blueberries without crushing them.
Step 5: Bake
- Spread the batter evenly into the prepared pan.
- Bake for 28–35 minutes, or until the edges are lightly golden and a toothpick inserted in the center comes out mostly clean.
Step 6: Cool
- Let the bars cool completely in the pan before glazing.
Step 7: Make the Glaze
- Whisk together powdered sugar, lemon juice, and lemon zest until smooth.
- Drizzle generously over the cooled bars.
Step 8: Slice & Serve
- Cut into bars or squares.
- Garnish with extra lemon zest if desired and enjoy!
💡 Tips
- Toss blueberries with 1 teaspoon flour before folding them into the batter to prevent sinking.
- Fresh lemon juice gives the best flavor.
- Allow the glaze to set for 15–20 minutes before slicing for neat bars.
- Store in an airtight container for up to 4 days, or refrigerate for up to 1 week.
❓Q&A
Can I use frozen blueberries?
Yes! Use them straight from the freezer without thawing.
Can I make these ahead of time?
Absolutely. They taste even better the next day after the flavors meld together.
Can I freeze them?
Yes. Freeze (without glaze if possible) for up to 2 months. Thaw overnight in the refrigerator before serving.
🍽️ Servings
- Makes: 16 bars
🥣 Nutrition (Approx. Per Bar)
- Calories: 185
- Protein: 2g
- Carbohydrates: 28g
- Fat: 7g
- Fiber: 1g
- Sugar: 16g