Copycat Panera Chocolate Chip Cookies

Using an electric mixer, beat butter and sugars together until light and fluffy. Slowly add in vanilla extract and eggs, whipping until combined. In a separate bowl, mix the flour, cornstarch, baking soda and salt. Stir it into the butter mixture. Fold in mini chocolate chips. Roll dough into 1 1/2-inch balls, flattening them slightly, and placing them about 2 inches apart on a parchment-lined baking sheet. Freeze for 15 minutes, so they're more likely to hold their shape. When you place them in the freezer, preheat the oven to 350 °F. Bake the cookies for 13-15 minutes, or until lightly golden on the edges.