vanishing oatmeal cookies

1 cup salted butter (2 sticks) softened
1 cup brown sugar, packed firmly
½ cup granulated sugar
2 eggs
1 tsp vanilla extract
1½ cups flour
1 tsp baking soda
1 tsp cinnamon
½ tsp salt (optional)
3 cups oatmeal
1 cup raisins (optional)

Preheat oven to 350° F. Beat together butter & sugars until creamy with a mixer. Add eggs & vanilla extract; beat well. Add combined flour, baking soda, cinnamon & salt; mix well with a wooden spoon. Slowly stir in oats. Drop by rounded tablespoon onto an ungreased cookie sheets. Bake 10 to 12 minutes or until golden brown. Cool 1 minute on sheet, remove to wire rack.  They will be gone so fast!