Heat oven to 350°F. In large bowl, beat butter and sugars on medium speed of electric mixer until creamy. Add eggs and vanilla; beat well. Add combined flour, baking soda, cinnamon and salt; mix well. Add oats and raisins; mix well. Drop dough by rounded tablespoonfuls onto ungreased cookie sheets. Bake 8 to 10 minutes or until light golden brown. Cool 1 minute on cookie sheets; remove to wire rack. Cool completely. Store tightly covered.
Bar Cookies: Press dough onto bottom of ungreased 13 x 9-inch baking pan. Bake 30 to 35 minutes or until light golden brown. Cool completely in pan on wire rack. Cut into bars. Store tightly covered. 24 BARS.
VARIATIONS: Stir in 1 cup chopped nuts. Substitute 1 cup semisweet chocolate chips or candy-coated chocolate pieces for raisins; omit cinnamon.
Substitute 1 cup diced dried mixed fruit.
HIGH ALTITUDE ADJUSTMENT: Increase flour to 1-3/4 cups and bake as directed.