Ingredients 1 1/3 cups all-purpose flour (scoop and level to measure) 1 tsp cornstarch 1/4 + 1/8 tsp baking soda 1/4 tsp salt 1/2 cup unsalted butter 1/2 cup packed light-brown sugar 1/4 cup granulated sugar 1 large egg 1 1/2 tsp vanilla extract 2/3 cup mini semi-sweet chocolate chips , plus more for topping if desired Instructions Preheat oven to 350 degrees. In a mixing bowl whisk together flour, cornstarch, baking soda and salt for 20 seconds, set aside. Place butter in a microwave safe bowl, heat in microwave on HIGH power until butter has melted halfway. Remove and whisk until fully melted. Pour butter into the bowl of an electric stand mixer. Add brown sugar and granulated sugar, fit mixer with paddle attachment and blend mixture on medium speed until well combined. Mix in egg and vanilla extract. With mixer set on low speed, slowly add in dry ingredients and mix until combined. Stir in chocolate chips. Scoop dough out a slightly heaping 1/2 tsp at a time and drop onto plates (wa...