Heat oven to 350°F. In large bowl, stir brown sugar and butter until blended. Stir in vanilla and egg until light and fluffy. Stir in oats, flour, baking soda and salt; stir in chocolate chips and nuts.
Onto ungreased cookie sheet, drop dough by rounded tablespoonfuls about 2 inches apart.
Bake 10 to 12 minutes or until golden brown. Cool slightly; remove from cookie sheet to wire rack.
