Wrap the pita separately in a small sandwich bag or at least lay a piece of parchment over the rest of the contents and place the pita on top to separate it from the wet stuff.
If you prefer not to have everything crammed into one box, consider investing in divided meal prep containers.
You can make a quick batch of Pickled Red Onions with the leftover red onion.
Consider making a jalapeño cilantro flavored hummus to use up some cilantro.
