Chocolate Chip Cookies

INGREDIENTS

•  3/4 cup (1 1/2 sticks) unsalted butter, softened
•  3/4 cup brown sugar, packed 
•  1/4 cup granulated sugar
•  1 large egg
•  2 teaspoons vanilla extract
•  2 cup all-purpose flour
•  2 teaspoons cornstarch
•  1 teaspoon baking soda
•  1/2 teaspoon salt, optional and to taste
•  6 ounces (1 cup) semi-sweet chocolate chips
•  6 ounces bittersweet or dark baking chocolate, chopped into bite-sized chunks (I use Trader Joe’s 72% Pound Plus bar)

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INSTRUCTIONS

1. To the bowl of a stand mixer fitted with the paddle attachment, beat the butter on low speed until smooth, 1 to 2 minutes.
2. Add the sugars and beat on medium-high speed until creamed and well combined, about 3 minutes.
3. Stop, scrape down the sides of the bowl, and add the egg, vanilla, and beat on medium-high speed until light and fluffy, about 3 minutes.
4. Stop, scrape down the sides of the bowl, and add the flours, corn starch, baking soda, salt, and mix until just combined, about 1 minute.
5. Add the chocolate chips and chunks, and either fold in by hand or beat for a few seconds on low speed.
6. Using a 2-ounce cookie scoop, form heaping mounds weighing 2 1/4-ounces each (weighed on a scale, which is approximately a scant 1/4-cup measure. Dough mounds will look large for their weight because there’s lots of chocolate pieces adding bulk).
7. Place mounds on a large plate or tray, cover with plasticwrap and refrigerate for at least 2 hours, up to 5 days.
8. Preheat oven to 350F, line a baking sheet with a Silpat Non-Stick Baking Mat, parchment, or spray with cooking spray. Place dough mounds on the baking sheet, spaced at least 2 inches apart; I bake 8 cookies per sheet.
9. Bake for 8 to 10 minutes, until barely golden brown around the edges, even if slightly undercooked in the center, noting the tops will not be browned and will be pale. Do not cook longer than ten minutes as cookies will darken and firm up as they cool (The cookies shown in the photos were baked for 8 minutes, rotated once midway through baking, and have chewy edges with soft pillowy centers).
10. Allow cookies to cool on the baking sheet for 5 minutes before removing and transferring to a rack to finish cooling

NOTES​

• Store cookies in an airtight container at room temperature for up to 5 days or in the freezer for up to 3 months.
• Alternatively, unbaked cookie dough can be stored in an airtight container in the refrigerator for up to 5 days, so consider baking only as many cookies as desired and save the remaining dough to be baked in the future when desired.