In a large bowl, cream together the butter, brown sugar, and white sugar until smooth.
Beat in the eggs one at a time, then stir in the vanilla.
Combine the flour, baking soda, and salt; stir into the creamed mixture.
Mix in the oats and raisins.
Drop dough by rounded teaspoonfuls onto ungreased cookie sheets.
Bake for 10 to 12 minutes in the preheated oven. Allow cookies to cool on baking sheet for 5 minutes before transferring to a wire rack to cool completely.
Interesting Facts
Raisins are made from dried grapes.
Oatmeal is a great source of fiber.
These cookies are a great snack for any time of day!