Ingredients 1½ cups all-purpose flour 1 cup old-fashioned oats ¾ teaspoon baking soda ¼ teaspoon salt ½ cup (1 stick) butter softened ⅓ cup creamy peanut butter ½ cup granulated sugar ½ cup light brown sugar 1 teaspoon vanilla extract 1 large egg 1 large egg yolk 1½ cups chopped spring mix chocolate candy bars (snickers,...