Fiber One® is too delicious to save just for breakfast.
Heat oven to 350°F. In large bowl, beat brown sugar and butter with electric mixer on medium speed until creamy. On low speed, beat in vanilla and eggs until well blended. Beat in flour, baking soda, cinnamon and salt until well blended.
With spoon, stir in oats, cereal and raisins. On ungreased cookie sheet, drop dough by heaping tablespoonfuls about 2 inches apart.
Bake 12 to 15 minutes or until set and golden brown. Immediately remove from cookie sheet to cooling rack.