Chewy Chocolate Chip Oatmeal Cookies

INGREDIENTS

• 1 cup butter, softened
• 1 cup packed light brown sugar
• 1/2 cup white sugar
• 2 eggs
• 2 teaspoons vanilla extract
• 1 1/4 cups all-purpose flour
• 1/2 teaspoon baking soda
• 1 teaspoon salt
• 3 cups quick-cooking oats
• 1 cup chopped walnuts
• 1 cup semisweet chocolate chips