Preheat oven to 350 degrees.
In sauté pan cook lamb until browned.
Spray baking sheet with cooking spray. Place pita chips on sheet, cook for 10 minutes.
Add red pepper flakes, cumin, and coriander to hummus. Mix until fully incorporated,
In a pie dish, put a layer of pita chips, spread half of the hummus, layer half of the feta. Repeat with another layer of pita chips, then the rest of the hummus and feta. Top with parsley.
Cook for 9 minutes.