Related Clues:
- Top-selling U.S. cookie
- Cream-filled cookie
- Two-tone snack
- Breakfast pastry
- Cookie treat since 1912
- Breakfast item
- New 'biscuit' of 1912
- Filled treat
- Cookie treat
- Popular treat since 1912
- Black-and-white classic
- Lunch box addition, perhaps
- Circular snack
- It has a creamy middle
- It's often twisted apart