The BEST Levain Bakery Chocolate Chip Copycat Cookie Recipe. Preheat oven to 410 degrees. In a large mixing bowl, cream together cold cubed butter, brown sugar, and sugar for 4 minutes or until creamy. Add eggs, one at a time, mixing well after each one. Stir in flours, cornstarch, baking soda, and salt. Mix until just combined to avoid overmixing.
Here is just a snapshot at what makes these cookies so Levain-like and so darn good. We use cold butter and eggs to help the cookies spread less than your average. We call for cake flour as well as all-purpose (and I throw in some cornstarch for good measure) which adds incredible tenderness to the cookies.
You can use different kinds of chocolate for a variety, such as semisweet and milk. Chopped chocolate is an option, but the original Levain cookie uses chips. If you don't like walnuts, try a different kind of nut like pecans or almonds. Although the original Levain cookie does not call for it, you can add vanilla
If you want super tall cookies, freeze for 2 hours. It won't change the taste but they will be taller and more "Levain-like" in look. You can use different kinds of chocolate for a variety, such as semisweet and milk. Chopped chocolate is an option, but the original Levain cookie uses chips.