Easy Peanut Butter Oatmeal Cookie Recipe

Ingredients

• ½ cup (1 stick) unsalted butter (softened)
• ½ cup packed light brown sugar (packed)
• ¼ cup granulated sugar
• ½ cup creamy peanut butter
• 1 large egg
• 1 teaspoon vanilla extract
• 1 cup all-purpose flour
• ½ teaspoon baking soda
• ¼ teaspoon salt
• 1 ¼ cup old-fashioned oats