In a food processor or blender, pulse together the onion, garlic, tomato, and parsley. Drain from excess liquid.
Add that mixture to the ground meat and mix.
Season the ground meat with the above seasonings, tomato paste, and chili paste. Make sure it is well seasoned.
Mix everything together very well.
Place about 1/3 cup of filling into each pita; about medium thickness. Spread it out. The meat layer should be visible when looking at the opened side of the pita.
Preheat the oven to 400 F.
Line a pan with parchment paper or nonstick spray.
Brush olive oil on each side of the pita then sprinkle with a little salt. You can also use non stick oil spary and spray each side of the pita.
Add the pita's to a pan. Bake for about 8 minutes on each side until crisp. Enjoy warm. You can use plain yogurt to dip in as well if you prefer.