For a fun treat anytime, try Twix Creamy Peanut Butter Cookie Bars. It's the same Twix Cookie Bar you know and love, but with a peanut butter twist! Twix Creamy Peanut Butter Bars are a crisp crunchy cookie and a layer of creamy peanut butter topped with milk chocolate. When you're craving a sweet snack, these are sure to please. So Many Ways to Savor. Keep a pack of Twix Creamy Peanut Butter Bars in your kitchen or office for a delicious anytime snack. Chop up a Twix Bar and incorporate it into your favorite dessert recipes. Wrap a bar with a bow and gift it to the peanut butter and chocolate lover in your life