Chewy Oatmeal Raisin Cookies

Ingredients

• ½ cup unsalted butter (at room temperature, 1 stick)
• ¾ cup packed light brown sugar
• ¼ cup granulated sugar
• 1 egg (at room temperature)
• 2 teaspoons vanilla extract
• 1 cup all-purpose flour
• ½ teaspoon cinnamon
• ½ teaspoon baking soda
• ¼ teaspoon salt
• 1 ½ cups rolled oats
• 1 cup raisins