Related Clues:

• With 13-Down, a diner order
• Net alternative
• Bakery goodie
• Edu cousin
• Mississippi mud, e.g.
• E-mail address suffix
• Ending of some URLs
• Type of tin
• Web address ending, perhaps
• Treat with a crust
• Pizzeria buy
• Slapstick missile
• Key lime or Dutch apple
• Horner's dessert
• Flaky dessert