vanishing oatmeal raisin cookies

Ingredients

• 1 cup butter
• 1 cup brown sugar, firmly packed
• 1/2 cup granulated sugar
• 2 - eggs
• 1 teaspoon vanilla
• 1 1/2 cups all purpose flour
• 1 teaspoon baking soda
• 1 teaspoon ground cinnamon
• 1/2 teaspoon salt, optional
• 3 cups oats, quick or old-fashioned, uncooked
• 1 cup raisins