Ingredients
Equipment
Method
- Position the oven rack in the middle slot and preheat to 350°F (175°C) for at least 10 to 15 minutes, then line a light-colored aluminum baking sheet with parchment paper and set aside.
- In a small mixing bowl, combine the melted cooled butter, packed brown sugar, and white granulated sugar and stir with a spatula in wide circular strokes for 30 to 40 strokes until thick, smooth, and glossy with no visible sugar granules remaining.
- Add the egg yolk and pure vanilla extract and stir for 20 to 25 strokes until the batter is creamy, slightly lighter in color, and fully uniform with no streaks of yolk visible.
- Add the flour, fine sea salt, and baking soda on top of the wet mixture and fold in with slow strokes from the bottom of the bowl upward — approximately 15 to 20 strokes — stopping the moment no dry flour is visible.
- Add the semi-sweet chocolate chips and fold in with 8 to 10 slow strokes until evenly distributed through the dough.
- Scoop the dough into 6 to 8 balls of approximately 2 tablespoons (35g) each and place at least 2 inches (5cm) apart on the prepared pan, then press 3 to 5 pieces of chopped dark chocolate firmly into the top of each ball.
- Bake at 350°F (175°C) for 8 to 10 minutes until the edges are set and lightly golden with a faint crackle and the centers still look pale, soft, and slightly underdone — do not wait for the centers to look set.
- Leave the cookies on the hot pan on a wire rack for exactly 5 minutes — do not move them — then transfer to the rack to finish cooling.
Notes
- Butter temperature: melt the butter and cool for 5 minutes before mixing — it should feel warm, not hot. Hot butter produces flat, greasy cookies that spread too thin.
- Chocolate: use semi-sweet chips (45–55% cacao) folded into the dough and roughly chopped dark chocolate bar (60–70% cacao) pressed on top — the chunks create the glossy pooled surface visible in the photos. Chips alone will not produce this result.
- Storage: lidded hard-sided container at room temperature, parchment between layers, up to 2 days. Do not use zip-lock bags — cookies flatten. Microwave 10 seconds to refresh.
- Freeze unbaked: scoop and press chunks onto dough balls, freeze solid on a tray for 1 hour, transfer to a freezer bag for up to 3 months. Bake from frozen at 350°F (175°C) for 11 to 13 minutes — no thawing needed.
- Make ahead: refrigerate covered dough for up to 24 hours. Rest at room temperature for 10 minutes before scooping.
- Scaling: to double, multiply all ingredients by 2 except baking soda — use ¼ teaspoon total, not double. Bake on two separate pans, one at a time. Bake time stays the same.
- Altitude: above 3,500 feet (1,067 meters), reduce baking soda to a pinch, add 1 teaspoon (3g) flour, reduce brown sugar by ½ teaspoon (2g), increase oven temp by 15–25°F (8–14°C). Check at 7 minutes.
- Allergens: contains gluten, dairy, and eggs. For gluten-free, substitute a 1:1 gluten-free all-purpose flour blend at the same weight of 58g — do not use almond flour as a direct swap.
- Tip: shape dough balls slightly taller than wide before baking — a cylinder shape rather than a perfect sphere produces a thicker, more domed cookie with a deeper soft center.
