Grilled chocolate chip cookies recipe

Ingredients

• 2 3/4 cups flour
• 1 teaspoon baking soda
• 1/2 teaspoon salt
• 1 cup butter, softened
• 1 cup white sugar
• 1 cup packed brown sugar
• 2 eggs
• 2 teaspoons vanilla extract
• 2 cups semisweet chocolate chips
• 1 cup chopped walnuts (optional)