The items on the cafeteria menu include the "Tisdale Triple Decker", "The Hudgens Hoagie", and "Sloppy Jonas". All of these are references to other Disney Channel stars - Ashley Tisdale, Vanessa Hudgens, and The Jonas Brothers respectively.
The "Blarmie - The Blanket With Arms" that Sonny orders via mail-order is a spoof of "Snuggie - The Blanket With Sleeves", a real product sold through mail-order at the time that is just what its name implies.