Ingredients

• unsalted butter - 1 cup
• brown sugar - 1 cup
• granulated sugar - ½ cup
• large eggs - 2
• vanilla extract - 1 teaspoon
• all-purpose flour - 1 cup
• baking soda - 1 teaspoon
• cinnamon - 1 teaspoon
• salt - ½ teaspoon
• old-fashioned oats - 3 cups
• raisins - 1 cup

Instructions

1. 1.

   Preheat the oven to 350°F (175°C).

2. 2.

   In a large bowl, cream together the butter, brown sugar, and granulated sugar until smooth.

3. 3.

   Beat in the eggs one at a time, then stir in the vanilla extract.

4. 4.

   In another bowl, combine the flour, baking soda, cinnamon, and salt.

5. 5.

   Gradually add the dry ingredients to the wet mixture and mix well.

6. 6.

   Stir in the oats and raisins until evenly distributed.

7. 7.

   Drop tablespoon-sized balls of dough onto ungreased baking sheets, spacing them about 2 inches apart.

8. 8.

   Bake for 10 to 12 minutes, or until the edges are golden brown.

9. 9.

   Remove from the oven and let cool on the baking sheets for a few minutes before transferring to wire racks to cool completely.