Possible Clues:

• Brand discontinued by Keebler
• Keebler's answer to Nabisco's Ritz
• "Farmer in the Dell" syllables
• Ritz shelfmate
• Seven Dwarfs' song syllables
• Cracker brand that sounds like a greeting to a prostitute
• 'The Farmer in the Dell' syllables
• Start of a Sleepy refrain?
• Snack brand in a red box
• Brand of crackers