A delightful twist on a classic dish.
2 1/4 cups all-purpose flour
1/2 teaspoon baking soda
1 cup unsalted butter, softened to room temperature
3/4 cup granulated sugar
3/4 cup packed light-brown sugar
1 teaspoon salt
2 teaspoons pure vanilla extract
2 large eggs
2 cups semisweet and/or milk chocolate chips
1 cup chopped walnuts or pecans (optional)