Chocolate Chip Cookies ala Anna Olson

Courtesy of Anna Olson - Foodnetwork
(Cornstarch will make chewy-centered cookies, if you want crispy cookies, omit the cornstarch and replace the baking soda with baking powder)

Ingredients:
3/4 cup unsalted butter, softened
1/2 cup brown sugar
1/4 cup granulated sugar - removed about 10 tablespoons
1 egg
2 teaspoons vanilla
2 cups all purpose flour
2 teaspoons cornstarch
1 teaspoon baking soda
1/2 teaspoon salt
8 ounces bittersweet chocolate, cut into chunks

Method:
Preheat oven to 180C (350F).
Cream together butter and sugars until smooth.  Add egg and vanilla and blend in.
Stir in flour, cornstarch, baking soda and salt.  Stir in chocolate chunks.
Drop by tablespoons onto a greased baking sheet and bake for 8-10 minutes, until golden brown around the edges.