Instructions
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Whisk Dry Ingredients
In a bowl, combine flour, baking soda, baking powder, and salt. -
Mix Wet Ingredients
In another bowl, whisk melted butter, brown sugar, and white sugar until glossy.
Add the egg, egg yolk, and vanilla. Whisk until smooth. -
Combine
Add dry ingredients to the wet mixture. Stir until just combined — don’t overmix.
Fold in chocolate chips. -
Chill (Important!)
Cover the dough and chill at least 1 hour, or overnight for the BEST flavor. -
Bake
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Preheat oven to 350°F (175°C).
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Scoop dough into 2–3 tbsp balls.
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Place on a lined baking sheet, leaving space.
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Bake 9–11 minutes until edges are set but centers look slightly underbaked.
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Finish
Sprinkle with flaky salt while warm.
Let cool on the tray 10 minutes for perfect gooey centers.
Why This Recipe Is the Best
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Melted butter = chewier cookies
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Extra yolk = richer & softer
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Chilling = deeper caramel flavor + thicker cookies
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Brown sugar > white sugar gives perfect chew
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Slight underbake = gooey centers
Want Variations?
I can give you:
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Brown butter version
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Bakery-style thick cookies
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Levain-style giant cookies
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Soft & cakey cookies
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No-chill / 10-minute emergency cookies
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