The quick grab and go places are as follows:
RPR -- pastries, toast, cereal, juice in the lounge on the main floor (items are all priced individually -- you get your items, pay and then go sit at one of the lounge seating areas. This is not table service)
Citywalk -- Pastamore (breakfast pizza slice), Burger King
IOA -- Cinnabons, Croissant Moon (pastry items as well as breakfast croissant filled with egg, breakfast meat and melted cheese)
Universal Studios -- Boulangerie (pastry items as well as breakfast croissant filled with egg, breakfast meat and melted cheese)