Season with lemon juice and salt to taste. Cut off the top third of each pita and split the pita open. Fill pita with some avocado and tomato slices and season with salt. Slide a schnitzel into ...

Stir in feta cheese. DO AHEAD: Salad can be made 2 days ahead. Cover and chill. Using slotted spoon, transfer salad mixture to pita bread halves. Serve sandwiches immediately.