Step 1

In a medium bowl, whisk together flour, cornstarch, baking soda, and salt. Set aside.

Step 2

Add butter to a large bowl. With a hand mixer or a stand mixer, beat until creamy.

Step 3

Add brown sugar and sugar. Beat until combined.

Step 4

Add egg and vanilla and beat for another minute until well combined.

Step 5

Add flour mixture and mix on low until all of the flour is incorporated scraping the sides when necessary.

Step 6

Gently fold in the chocolate chips. Leave 2 tablespoons for finishing touches.

Step 7

Cover dough and place in refrigerator to chill for 30 minutes.

Step 8

Preheat oven to 350 degrees and line cookie sheets with parchment paper.

Step 9

Scoop a tablespoon amount of dough using a cookie scoop or a spoon and place on the prepared baking sheet 2 inches apart from one another.

Step 10

Bake cookies for 10 minutes at 350 degrees. Do not over-bake your cookies.

Step 11

Let them cool on cookie sheet.

Step 12

For a special touch…add the extra chocolate chips one by one to the warm cookies to get that professional chocolate chip cookie look.