Vanishing oatmeal Cookies

Off of Quaker Oats lid, we love them! (especially as cookie bars)
2 sticks butter softened
1 cup firmly packed brown sugar
1/2 cup granulated sugar
2 eggs
1 tsp vanilla
1 1/2 cup flour
1 tsp baking soda
1 tsp cinnamon
1/2 tsp salt
3 cups oats (old fashioned or quick)
1 cup raisins

Heat oven to 350. Beat the sugars and butter until creamy. Add eggs and vanilla and beat. Add in the combined dry ingredients. stir in oats and raisins by hand.
Drop onto an ungreased cookie sheet and bake 10-12 minutes. OR bake in a 9 X 13 ungreased metal baking pan for 30-35 minutes