Bread type (3)
'bread type' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for rye that I've seen before include "Hard liquor" , "New York bread" , "Grass related to wheat" , "Whiskey ingredient" , "Cereal grain" .)
(Other definitions for pitta that I've seen before include "Middle Eastern bread" , "Greek unleavened bread" , "Type of flat bread that's split to hold a filling" , "Slightly leavened bread" , "I might have a kebab in" .)