Preheat oven to 350 degrees. Beat oleo and brown sugar in large bowl until creamy. Beat in egg, milk, and vanilla until light and fluffy. Mix in oats, flour, baking soda, salt, and cinnamon until well-blended. Stir in chips, raisins and walnuts. Drop rounded tablespoons of dough 2 inches apart onto ungreased cookie sheets. Bake 12 to 15 minutes until lightly browned around edges. Cool 2 minutes on cookie sheets. Remove to wire racks; cool completely. Store in airtight container. Makes about 3 dozen cookies.