Ingredients:
1 1/4 cups of flour
3 TBSP of cornstarch
1/2 TSP salt
1/2 TSP baking soda
1 cold stick of butter (1/2 cup)
6 TBSP of granulated sugar
6 TBSP brown sugar
1 egg
1/2 TSP of vanilla extract
1 bag of semi-sweet chocolate chips. About 10-11 oz (or 1/2 a bag if you want less chocolate)
1/4 cup of walnut pieces (optional)