Preheat your oven to 350°F. Line baking sheets with parchment paper.
In a large mixing bowl, cream together the softened butter, brown sugar, and granulated sugar until light and fluffy. Beat in egg and vanilla extract until smooth.
Add the salt, baking soda, and flour. Mix just until combined. Add in the chocolate chips.
Using a tablespoon cookie scoop, portion the dough onto the prepared baking sheets.Here's the secret: Using the palm of your hand, gently flatten each cookie dough ball into a thin disc. This simple step helps the cookies spread evenly, creating the signature thin, crispy texture that makes Tate's cookies so famous.
Bake for 11–12 minutes, or until the cookies are a rich golden brown around the edges and lightly browned across the tops.Allow the cookies to cool completely on the baking sheet. The cookies will continue to crisp as they cool, giving them their signature buttery crunch.
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Notes
Store cookies in an airtight container at room temperature for up to one week.To freeze, place cooled cookies in a freezer-safe container for up to three months. Thaw at room temperature before serving.