Ingredients
- Unsalted Butter: 1 cup (2 sticks or 226g), softened to room temperature. Using unsalted butter allows you to control the salt content precisely. Softened butter is key for proper creaming with the sugars, incorporating air for a lighter texture.
- Granulated Sugar: 3/4 cup (150g). Provides sweetness, contributes to spread, and helps create those desirable crisp edges.
- Light Brown Sugar: 1/2 cup (110g), packed. Adds moisture (thanks to molasses), contributes to chewiness, and provides a deeper, slightly caramel flavor note that complements the blueberries beautifully. Packing it ensures you’re using the correct amount.
- Large Eggs: 2. Act as binders, add richness and moisture, and contribute to the structure and leavening of the cookies. Room temperature eggs incorporate better into the batter.
- Pure Vanilla Extract: 2 teaspoons. Enhances all the other flavors in the cookie, adding warmth and depth. Pure extract offers a superior flavor compared to imitation.
- All-Purpose Flour: 3 cups (360g). Provides the main structure for the cookies. Ensure you measure it correctly (spoon and level method is recommended) to avoid dense or dry cookies.
- Baking Soda: 1 teaspoon. The primary leavening agent, reacting with the brown sugar’s acidity to help the cookies rise and spread.
- Salt: 1/2 teaspoon. Balances the sweetness and enhances the overall flavor profile. Even sweet recipes need salt!
- Fresh Blueberries: 1 ½ cups (about 220g). The star of the show! Fresh blueberries provide the best texture and flavor burst. Gently fold them in to avoid crushing them completely. (See notes on using frozen blueberries below).
- Optional: Lemon Zest: Zest of 1 small lemon. This is highly recommended! The bright citrus notes cut through the richness and beautifully complement the blueberry flavor, making the cookies taste even fresher.
Instructions
- Preheat and Prep: Preheat your oven to 375°F (190°C). Line two large baking sheets with parchment paper or silicone baking mats. This prevents sticking and promotes even baking. Set aside.
- Cream Butter and Sugars: In a large mixing bowl, using a stand mixer fitted with the paddle attachment or a hand mixer, beat the softened unsalted butter on medium speed until smooth and creamy (about 1 minute). Add the granulated sugar and packed light brown sugar. Cream together on medium-high speed for 2-3 minutes, until the mixture is light in color and fluffy in texture. Scrape down the sides and bottom of the bowl occasionally to ensure even mixing. This step incorporates air, which is crucial for the cookie’s texture.
- Add Eggs and Vanilla: Add the large eggs one at a time, beating well on medium speed after each addition until fully incorporated. Beat in the pure vanilla extract (and lemon zest, if using). The mixture should look smooth and emulsified.
- Combine Dry Ingredients: In a separate medium bowl, whisk together the all-purpose flour, baking soda, and salt. Whisking ensures the leavening agent and salt are evenly distributed throughout the flour, preventing pockets of saltiness or uneven rising.
- Combine Wet and Dry: Gradually add the dry ingredient mixture to the wet ingredient mixture in the large bowl. Mix on low speed just until the flour streaks are almost gone. Be very careful not to overmix at this stage. Overmixing develops the gluten in the flour too much, resulting in tough cookies. Stop mixing as soon as the flour is incorporated.
- Fold in Blueberries: Gently fold the fresh (or flour-coated frozen) blueberries into the cookie dough using a rubber spatula or wooden spoon. Fold just until the berries are evenly distributed. Try not to crush the berries too much, although some minor breakage and streaking are normal and add character.
- Chill the Dough (Highly Recommended): Cover the bowl with plastic wrap and chill the cookie dough in the refrigerator for at least 30 minutes, or preferably 1 hour. Chilling solidifies the fat (butter) in the dough. This prevents the cookies from spreading too much during baking, resulting in thicker, chewier cookies with better flavor development. Chilled dough is also easier to handle.
- Portion the Dough: Once chilled, drop rounded tablespoons of cookie dough onto the prepared baking sheets, spacing them about 2 inches apart to allow for spreading. A medium cookie scoop (about 1.5 tablespoons) works perfectly for uniform size and shape.
- Bake: Bake in the preheated oven at 375°F (190°C) for 10-13 minutes. The exact time will depend on your oven and the size of your cookies. Bake until the edges are lightly golden brown and the centers look soft and slightly underdone. They will continue to cook slightly on the hot baking sheet after removal. For softer cookies, err on the shorter side of the baking time. For slightly crispier cookies, bake a minute or two longer.
- Cool: Let the cookies cool on the baking sheets for 5-10 minutes. This allows them to set properly. If you try to move them too soon, they might fall apart. After 5-10 minutes, carefully transfer the cookies using a spatula to a wire rack to cool completely. Cooling on a wire rack allows air to circulate, preventing soggy bottoms.
- Enjoy: Serve warm or at room temperature. Store cooled cookies as directed below.
Nutrition
- Serving Size: One Normal Portion
- Calories: 150-190