Remove the skin off the salmon and cut into cubes. Add the salmon to a sheet pan and toss with the olive oil and spices to coat evenly.
Bake for 15 minutes, util browned. Top with lemon juice when done.
While the salmon bakes, prepare the whipped feta by blending the feta cheese, yogurt, olive oil, lemon juice, dill and pinch of salt in a small food processor or blender until smooth.
Thinly slice the cucumbers, tomatoes and red onion and toss with the olive oil, sumac, lemon juice and salt & pepper.
Once the salmon is ready, heat the pita over a flame or in the oven to warm. Assemble with a layer of whipped feta, salmon and salad.