01 - Preheat oven to 400°F (200°C).
02 - Arrange potato wedges evenly in a large roasting pan.
03 - Combine olive oil, lemon juice, minced garlic, broth, oregano, salt, pepper, and optional turmeric in a mixing bowl. Whisk thoroughly.
04 - Pour marinade over potatoes. Toss to coat well. Arrange wedges cut side down in the pan.
05 - Roast uncovered for 40 minutes.
06 - Remove pan from oven, gently flip potatoes, and spoon pan juices over each piece.
07 - Return pan to oven and roast an additional 30 to 35 minutes, until the potatoes are golden, edges are crisp, and centers are tender.
08 - For extra crisp edges, set oven to broil for 3 to 5 minutes, watching closely to prevent burning.
09 - Transfer potatoes to a serving platter. Garnish with fresh parsley and lemon slices. Serve hot.