Preheat oven to 300°F. Heat oil in a large oven-safe skillet over medium-high heat.
Pat pork roast dry with paper towels and season with garlic powder, oregano, cumin, salt, and pepper. Add pork to the skillet and cook until browned on all sides, about 8 minutes.
Pour chicken broth and lemon juice over the pork. Cover skillet with foil, transfer to preheated oven, and cook for 3 hours.
Remove skillet from oven and transfer pork to a large bowl. Using two forks, shred pork into bite-sized pieces.
Return pork to the skillet and stir in parsley. Cook over medium-low heat, stirring occasionally, until pork is heated through, about 5 minutes.
Serve with pita bread, tzatziki, and feta cheese.
Interesting Facts
Pork butt roast is a cut of pork from the shoulder.
Garlic, oregano, and cumin are often used in Mediterranean cuisine.
Tzatziki is a Greek sauce made with yogurt, cucumber, and garlic.