Related Clues:

• Nabisco nibble
• Cookie jar denizen, maybe
• Hydrox rivals
• Cookie often eaten inside out
• Subject of Weird Al Yankovic's 'The White Stuff'
• Store-bought cookie
• Snack sold in a stack
• Cookie snack
• Snack food
• Food item whose name appears on its side
• Cookie with creme inside
• Layered treat
• Name on a wafer
• "Uh-Oh!" cookie
• Wafers-and-creme treat